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1. When did she began working in this company?
=> how long has she worked in this company?
2. This is the first time I have seen such a tall man .
=> this is ( ??? )
3. This is the first time I have eaten such a good meal
.=> I haven't eaten such a good meal before
4. The last time she gost an a in English is last month
=> she hasn't gost an a in English since last month
5. Has you ever seen an elephant before?
=> is this the first time you ever seen an elephant ?
6. It is 3 years since I last taught in BHH school
=> I haven't taught in BHH school for 3 years
7. The last time she traveled by bus was 6 years ago
=> it is 6 years since she traveled by bus
8. I haven't meet a fatter man than this man
=> this is the first time I have met a fatter man than this man
9. She began conducting the survey 3 days ago
=> she has conducted the survey for 3 days
10. He has written that novel 6 months
=>he started writing that novel 6 months ago
#Yumi
1.This is the first time she has eaten eel soup
-> She has not eaten eel soup before
2. She began to write 30 minutes ago
->She has written for 30 minutes
3.They started studying English when they were in grade 3
->They have studied English since they were in grade 3
4.I last saw him 3 weeks ago
->I haven't seen him for 3 weeks
5.The last time I watched this movie was 6 months ago
-> I haven't watched this movie for 6 months
6.It is a long time since she last saw her parents
->She hasn't seen her parents for a long time
7.When did you begin reading this book?
->How long have you read this book
8.This is the first time I have been abroad
->I haven't been abroad before
9.I haven't gone to the zoo since last year
->The last time I went to the zoo was last year
10.I haven't met my aunt since I was 10 years old
->I last met my aunt when i was 10 years old
11.This is the first time she has worked with foreigners
->She hasn't worked with foreigners before
1. It is 3 years since we last met each other
-> we haven't met each other for 3 years
2. The last time she visited her mom 2 weeks ago
-> she hasn't visited her mom for 2 weeks
3. He began collecting stamps in 2012
-> he has collected stamps since 2012
4. Is it 2 month since she began studying Japanese
-> she has studied Japanese for 2 months
5. Is is 2 hours since it started to rain
-> it has rained for 2 hours
6. The last time we saw him was last week
-> we haven't seen him since last week
7. We started living in hcm city in 2000
-> we haven't lived in hcm city since 2000
8. He has studied english for 4 years
-> it is 4 years since he started studying E
9. How long have you lived here?
-> when did you live here ?
10. How long ago did you know her?
-> how long have you known her ?
#Yumi
1 we have not met each other for 3 years.
2 she has not visited her mom for 2 weeks.
3he has collected stamps since 2012.
4 she has studied japanese for 2 months.
5it has rained for 2 hours.
6we have not seen him since last week.
7 we have lived in hcm city since 2000.
8it is 4 years since he started studying english.
9when did you live here?
10 how long have you known her?
Viết lại câu :164. It’s a six–hour drive from London to Edinburgh. It takes six hours to drive from LD to E._________________________________________________________________ 165. It’s ages since Alan visited his parents. Alan ____________hasn't visited his parents for ages._______________________________________________________
166. Mr. Will lost his job because he was late every day. If _______Mr. Will hadn't been late every day, he wouldn't have lost his job.
______________________________________________________________
167. The police made the youth empty his pocket. The youth ___________was made to empty the pocket by the police.___________________________________________________
168. Lawrence hasn’t seen his sister since she left for Japan. Lawrence last saw his sister when she left for JP.
___________________________________________________________
169. John is fat because he eats so many chips. If ________John didn't eat so many chips, he wouldn't be fat.
_____________________________________________________________
170. If Joe doesn’t change his way, he will end up in prison. Unless Joe changes his way, he will end up in prison.
_________________________________________________________________
171. Having a vacation abroad is interesting. It’s __________interesting to have a vacation.
__________________________________________________________ 172. The water was so cold that the children could not take a swim. The water wasn’t _________warm enough for the children to take a swim.
________________________________________________ 173. It’s two months since I last spoke to her. I haven’t _________________spoken to her for 2 months.
______________________________________________ 174. “Turn down the radio, Nam.” , his father said. Nam’s father ___________told him to turn down the radio.
_________________________________________________ 175. Lan will be seventeen next week. It’s ___________Lan's seventeenth birthday next week.
_________________________________________________________
176. How long is it since you bought the car ? When _________did you buy the car ?
_________________________________________________________
177. Nam began to collect stamps in 2000. Nam has ___________collected stamps since 2000.
____________________________________________________
178. We have lived here for 15 years. We started ___________living here 15 years ago.
___________________________________________________ 179. English and French are spoken in Canada. People _________________speak E and F in Canada.
________________________________________________ 180. They are going to invite Nam to dinner. Nam ________is going to be invited to dinner.
___________________________________________________________ 181. I can’t cook as well as my mother does. My mother _______________cook better than me
_______________________________________________ 186. He wrote the letter in two hours. It ___________took him 2 hours to write the letter
__________________________________________________________ 187. It was such hot tea that I couldn’t drink it. The tea _____________was so hot that I couldn't drink it.
____________________________________________________ 188. Because she behaves well, everybody loves her. Because of _________her good behavior, everybody loves her
_____________________________________________________ 189. Unless you water the flowers everyday, they will die. If ________________you don't water the flowers everyday, they will die.
_____________________________________________________ 190. I have studied English for 3 years. I began ____________studying english 3 years ago.
_____________________________________________________ 191. She didn’t take your advice, so she failed in the exam. If __________she had taken your advice, she wouldn't have failed the exam.
___________________________________________________________ 192. We spend our childhood in that beautiful mountain resort and we always remember. We always remember _________spending our childhood in that beautiful mountain resort.
____________________________________________ 193. The cake was so bad that I couldn’t eat it. It’s __________such a bad cake that i couldn't eat it.
__________________________________________________________ 194. Without a passport, she couldn’t have left the country. If ___________it had not been for the passport, she couldn't have left the country.
__________________________________________________________ 195. The weather was so bad that we couldn’t go sailing. The weather wasn’t ____________good enough for us to go sailing___________________________________________ 196. The plane took off before we arrived at the airport. By the time __________already ___________________________________________________ 197. I don’t live in a big city, so I can’t go to the cinema very often. If ________________already _______________________________________________________ 198. She never seems to succeed even though she works hard. In spite of _____________already ___________________________________________________ 199. Jeanie is the tallest girl in her class. No one _____________already ______________________________________________________ 200. You didn’t plan things at the start, so we are in this mess now. If _____________already __________________________________________________________ 201. My father bought a car with a sun roof. The car ____________already ______________________________________________________ 202. It’s said that English people are quiet and severed. English people ________________already _____________________________________________ 203. Fiona had to get on the plane though she was afraid of flying. Despite ____________already ______________________________________________________ 204. Foxes can use their noses to find their dinners because they have a keen sense of smell. Because of _______________already _________________________________________________ 205. He was very old, but he walked ten miles everyday. Despite ______________already ____________________________________________________ 206. Jenny ran fast but she didn’t win the race. Despite __________________________________________________already______________ 207. He is too young to appreciate such a film. He’s not _________________already_______________________________________________ 225. If you run a lot, you will get fitter. The more _______________already________________________________________________ 226. That’s the best meal I’ve ever eaten I’ve ______________already_____________________________________________________ 227. “I’m sorry I gave you the wrong number” said Paula to Susan. Paula apologised ________________already_________________________________________ 228. I didn’t know you were coming, so I didn’t wait for you. If ____________already_________________________________________________________ 229. People say that prevention is better than cure. Prevention ___________is said to be better than cure.
___________________________________________________ 230. She likes learning Chemistry best. Chemistry _____________is her favorite subject.
_________________________________________________ 231. Nobody has invited her to the party. She ___________hasn't been invited to the party
_________________________________________________________ 232. Getting to know a person is always time–consuming. It takes _____________much time to get to know a person.
____________________________________________________ 233. To find a house in this country is difficult. It’s ______________difficult to find a house in this country.
______________________________________________________ 234. Tom and Jane have been married for 5 years. It’s _______________5 years since tom and jane got married._____________________________________________________ 235. This room is too small for 5 people to live in. This room __________isn't big enough for 5 people to live in.
____________________________________________________ 236. They made me study hard when I was at school. I _________was made to study hard when I was at school.
_____________________________________________________________ 237. “Please don’t leave me on my own.” Martin begged us ___________not to leave her on her own.
______________________________________________ 238. Parking is not permitted here You aren’t ___________allowed to park here.
___________________________________________________ 261. I haven’t seen my cousin for 2 years. It’s 2 years since _________I last saw my cousin.
________________________________________________ 262. I haven’t seen that film before. It’s ________________the first time I've seen that film.
____________________________________________________ 263. Despite her dislike for coffee, she drank it to keep herself warm. Although ______________she disliked coffee, she drank it to keep herself warm._________________________________________________ 264. Mary booked at before we got to her house. By the time we ____________got to Mary's house, she had booked at.
______________________________________________ 265. It started to rain at 2 o’clock and it is still raining. It ____________has been raining since 2 o'clock_________________________________________________________ 266. They made her hand over her passport. She ___________was made to hand over the passport.
_________________________________________________________ 267. I tried to eat that cake but it was too sweet. It was _______such a sweet cake that I coudln't eat.
___________________________________________________________ 268. My brother and I went to that school. I went to __________that school with my brother.
_____________________________________________________ 269. I often get up early in the morning. I ____________am used to getting up early in the morning.
__________________________________________________________ 270. Getting a good job doesn’t interest him. He _____________isn't interested in getting a good job.
_______________________________________________________ 271. The garden is too small to play football in. The garden ____________isn't large enough to play football in.
_________________________________________________ 272. Be he rich or poor, she will marry him. She will ___________marry him whether he is rich or poor
_____________________________________________________ 273. We haven’t been to the movies for a year. It’s _________a year since we last went to the movies.
___________________________________________________________ 274. John used to smoke. John doesn’t ____________smoke anymore.
_________________________________________________ 275. Lock the door carefully before going to bed. The door ________________should be locked carefully before going to bed.
_______________________________________________ 283. People used to think that he was selfish. He ____________was used to be thought to be selfish.
________________________________________________________ 287. The day was so cold that we stayed indoor. It ___________was such a cold day that we stayed indoor.
__________________________________________________________ 288. I’ve never read a more romantic story before. It’s ___________the first time that I've read such a romantic story._________________________________________________________ 289. She likes to travel around the world but she doesn’t have a lot of money. She wishes _____________she had a lot of money._________________________________________________ 290. I haven’t met her for 3 months. I ___________last met her 3 months ago.___________________________________________________________ 291. She usually wore uniform when she was a student. She ___________used to wear uniform when she was a student.
_________________________________________________________ 292. There are many beautiful places in Hồ Chí Minh City. Hồ Chí Minh City _____________has many beautiful places.
___________________________________________ 293. I don’t have time to help you do this work. I wish I ____________had time to help you do this work.
____________________________________________________ 294. The film is more interesting than the one I last saw. The film I last saw was ________________not as interesting as this one____________________________________ 295. Lan used to walk pass the mosque in the past. Lan __________________doesn't walk pass the mosque anymore.
_________________________________________________ 296. We spent a whole day looking for these old pictures. It took _______________us a whole day to look for these old pictures.
__________________________________________________ 297. Learning a foreign language is interesting. It _______________is interesting to learn a foreign language.
______________________________________________________ 298. Although Tom took a taxi, he was still late for the party. In spite of ____________taking a taxt, tom was still late for the party__________________________________________________ 299. They will build a new market near my house. A new market _________will be built near my house.__________________________________________________ 300. I haven’t visited my parents for three months. I ______________last visited my parents 3 months ago.________________________________________________________ 301. It’s very convenient to wear jeans at work. Wearing jeans ______________at work is very convenient._____________________________________________ 302. I haven’t seen her at this club before. This is _______________the first time I have seen her at this club.__________________________________________________ 303. How much is this book ? how much does _____this book cost ?
_______________________________________________ 304. People built this cathedral nearly 200 years ago. This cathedral _____________was built nearly 200 years ago.
______________________________________________ 305. Take my advice and don’t drink so much whisky. If I ________________were you, I would drink less whisky.____________________________________________________ 306. I last went there when I was a child. I have ___________not gone there since I wasn't a child.
_______________________________________________________ 307. Hurry or you will late for the train. If you __________________don't hurry up, you will be late for the train.________________________________________________ 308. “Did you go out with your brother last night ?” said John to me. John asked me ____________if I had gone out with my brother the night before.
_______________________________________________ 309. She last wrote to me 3 months ago. She hasn’t _________written to me for 3 months.
_____________________________________________________ 310. It is very useful to speak English fluently. Speaking English __________fluently is very useful
______________________________________________ 311. “I’ll complete the work only if you pay me 10$ extra” said Tom. “Unless __________you pay me 10 extra, I won't complete the work." Tom said.______________________________________________________ 312. The architect has drawn plans for an extension to the house. Plans _____________for an extension to the house have been drawn by the architect.
_____________________________________________________ 313. We didn’t go on holiday because we didn’t have enough money. If ______________we had enough money, we would have gone on holiday._______________________________________________________ 314. Unless he phones immediately, he won’t get any information. If ______________he doesn't phone immediately, he will not get any information.
_______________________________________________________ 315. The child will die if nobody sends for a doctor. Unless ___________somebody sends the child for a doctor, he/she will die.______________________________________________________ 316. The weather was so cold that children could not swim in it. The weather was not ____________warm enough for the children to swim in
__________________________________________ 317. “You’d better not lend him anymore money, Elizabeth” said John. John advised Elizabeth ___________not to lend him anymore money.
_________________________________________ 318. I started to work for the company a year ago. I __________have worked for the company for a year.
____________________________________________________________ 319. Because of the rough sea, the ferry couldn’t sail. The rough sea _____________prevented the ferry from sailing.
______________________________________________ 320. This furniture is so old that it’s not worth keeping. It is _____________such old furniture that it's not worth keeping
______________________________________________________ 321. “Where is the station car park ?” Mrs. Smith asked. Mrs. Smith asked ___________where the station car park was
_____________________________________________ 322. Miss Taylor doesn’t like living in such a small house. Miss Taylor wishes __________she didn't live in a small house
_____________________________________________ 344. He didn’t hurry, so he missed the train. If ____________he had hurried, he wouldn't have missed the train_________________________________________________________ 345. The fire has destroyed many houses. Many houses __________have been destroyed by the fire._________________________________________________ 346. I have studied English for 3 years. I began _________studying English 3 years ago.
________________________________________________________ 347. They are building a new school in that village. A new school ____________is being built in that village.________________________________________________ 348. Unless you water those flowers regularly, they will wither. If you _______________don't water those flowers regularly, they will die___________________________________________________ 349. The driver said : “Don’t get off the bus while it’s moving !”. The driver asked the passengers ____________not to get off the bus while it was moving.
_________________________________ 350. The robbers made the bank manager hand over the money. The bank manager _____________was made to hand over the money by the robbers
___________________________________________ “Why don’t you put a better lock on the door, Barny ?” said John. John suggested __________that Barny should put a better lock on the door________________________________________________ 351. I haven’t eaten this kind of food before.
This is the first time I've eatten this kind of food.
I. Rewrite the following sentences
1. My father said I could use his car
=> My father allowed me to use his car
2. Scientist began to carry out researches on AIDS in 1980
=> Researches on AIDS began to be carried out in 1980 by scientist
3. That girl is very beautiful
=> How beautiful girl is !
4. The last time I wrote to him was in 1996
=> I haven't written to him since 1996.
5. It took him onl ten minutes to get there
=> He spent only ten minutes getting there.
6. I didn't meet him yesterday so I couldn't tell him about that
=> If I had met him yesterday, I could have told him about that.
7. Could you turn the radio down please?
=> Would you mind turning the radio down ?
8. The man was very tired, so he didn't answer my question
=> The man was too tired to answer my question.
9. Nobody could move the piano. It was too heavy
=> It was such a heavy piano that nobody could move it.
10. You'd better apologize to Sally
=> I advice you to apologize to Sally.
11. The last time I saw her was in 1985
=> I haven't seen her since 1985.
12. That meal was excellent
=> How excellent meal was!
13. That factory is producing more and more pollution
=> More and more pollution is being produced by that factory.
14. We must leave now or we'll miss the train
=> If we don't leave now, we'll miss the train
15. She is a faster and more careless driver than I am
=> She drives more fast and more carelessly than I do.
16. How old do you think this building is?
=> When do you think this building was built?
17. He is sorry now that he didn't invite Jane to his party
=> He wishes that he had invited Jane to his party.
18. This furniture is so old that it is not worth keeping
=> This is such so furniture that it is not worth keeping.
19. We spent five hours getting to London
=> It took us five hours to get to London.
20. When I arrived in London, I wrote a letter home
=> On my arrival to London, I wrote a letter home.
II. Rewrite these sentences as directed in parentheses
1. All the teachers love him because his behaviour is good
=> Because of his good behaviour, all the teachers love him.
2. He gave up his job because he was ill
=> Because of his illness, he gave up his job.
3. Because of the darkness, he couldn't read the letter
=> Because it was dark, he couldn't read the letter.
4. Mr. David no longer works here
=> No longer does Mr David work here.
5. I didn't have time. I didn't go shopping
=> If I had had time, I would have gone shopping.
6. They had converted the major part of the temple into ''Lenin's room''
=> The major part of the temple had been converted into ''Lenin's room''
7. I'm sorry that I didn't learnt to type
=> I wish I had learnt to type.
8. She has to quit smoking or she will die
=> If she doesn't quit smoking, she will die.
9. He spent a whole day repairing the radio
=> It took him a whole day repairing the radio.
10. More newspapers are being sold in this city
=> People are selling more newspapers in this city.
11. She sings more beautifully than you do
=> You don't sing as beautifully as she does.
12. You had to pay the bill before the fifth of the month
=> The bill had to be paid before the fifth of the month.
13. The tea was too hot for her to drink
=> The tea was so hot that she couldn't drink it.
14. If is doesn't rain, they will go for a picnic
=> Unless it rains, they will go for a picnic
15. The child will die it nobody sends for a doctor
=> Unless somebody sends for a doctor, the child will die.
16. I don't have enough money, so I can't buy a computer
=> If I had enough money , I could buy a computer.
17. If you don't rest yourself you will be ill
=> Unless you rest yourself, you will be ill.
18. It was such a crazy story that nobody belive it
=> The story was so crazy that nobody believe it.
19. They had such a good crop that they decided to give a party
=> Their crop was so good that they decided to give a party.
20. ''How long will it take us to get there?'' she said
=> She wanted to know how long it would take them to get there.
1. I see that Tom (writes/ is writing) his composition.
2. He says that he (looks/ will look) for a job next week.
3. They think he (was/ would be) here last night.
4. He tells us that he (was/has been) to the mountains before.
5. I hope that he (will be/ would be) able to attend.
6. H wants to do it before his father (will come/comes).
7. People have said that the sun (rises) in the East.
8. He says he (does/will do) it some time.
9. He asked the guard what time the train usually (starts/started).
10. He told me the morning that he (is going/was going) with us the following day.
11. He says that he (finished/will finish) the project by May.
12. I realized that they (are/were) older than they looked.
13. I hear that Kate (accepted/has accepted) a new position.
14. They told me they (have never seen/ had never seen) her before.
15. We know that you (move/will move) to France next year.
16. In Britain, the weather ks is very varied. People (never know/ has never known) what it (is/will be) like the next day.
17. He (is/had been) I'll for a long time before he died.
18. She didn't tell me the reason why she (didn't come/ hadn't come) to school the day before.
19. I had no map, that's why I (got/get) lost.
20. I hope it (does not rain/ will not rain) when we start early tomorrow.
1. I see that Tom (writes/ is writing) his composition.
2. He says that he (looks/ will look) for a job next week.
3. They think he (was/ would be) here last night.
4. He tells us that he (was/has been) to the mountains before.
5. I hope that he (will be/ would be) able to attend.
6. H wants to do it before his father (will come/comes).
7. People have said that the sun (rises) in the East.
8. He says he (does/will do) it some time.
9. He asked the guard what time the train usually (starts/started).
10. He told me the morning that he (is going/was going) with us the following day.
11. He says that he (finished/will finish) the project by May.
12. I realized that they (are/were) older than they looked.
13. I hear that Kate (accepted/has accepted) a new position.
14. They told me they (have never seen/ had never seen) her before.
15. We know that you (move/will move) to France next year.
16. In Britain, the weather ks is very varied. People (never know/ has never known) what it (is/will be) like the next day.
17. He (is/had been) I'll for a long time before he died.
18. She didn't tell me the reason why she (didn't come/ hadn't come) to school the day before.
19. I had no map, that's why I (got/get) lost.
20. I hope it (does not rain/ will not rain) when we start early tomorrow.
chúc bạn học tốt
Viết lại câu :
1. He said : " I will buy a new car tomorrow "
-> He said THAT HE WOULD BUY A NEW CAR THE NEXT DAY
2. She didn't get up early so she missed the bus
-> If SHE HAD GOT UP EARLY,SHE WOULDN'T HAVE MISSED THE BUS
3. He started working in this company 5 years ago
-> He Has WORKED IN THIS COMPANY FOR 5 YEARS
4. Although he has a lot of monet, He fells unhappy
-> In spite of having a lot of monet, He fells unhappy
5. They have just bought an expensive bike
-> An expensive bike has just been bought
6. He left school and then joined the army
-> After he had left school,he joined the army
7. Barbara is the best tennis player in th culb
-> No one in the club plays tennis better than Barbara does
8. I haven't seen that man here before
-> it's the first time i have seen that man here
9. The furniture was so expensive that i didn't buy it
-> the furniture was too expensive for me to buy
10. The robbers made the bank manager hand over on the money
-> the bank manager was made hand over on the money by the robbers
11. Tom learned to drive when he was nineteen
-> tom has learnt to drive since he was nineteen
12. She has never been so unhappy before
-> she was unhappieer than she had been before
13. Somebody stole his watch yesterday
-> his watch was stolen yesterday
14. The last time she had a swim was five years ago
-> she hasn't swum for 5 years
15. We didn't go because it rained
-> if it hadn't rained,we would have gone
16. I didn't realize that he was a very interesting man until he got married
-> it was not until he got married that i realized, he was a very interesting man
17. She like maths more than English
-> she prefers maths to E
18. It was not until he was 10 that he knew how to read and write
-> he didn't know how to read and write until he was 10
Rewirite the following sentences, using the words given
Ex I (last) saw her when I was a student 2 years ago
--> I haven't seen her since I was a student for 2 years
1.we last saw Tom when he moved to bristol. --> we have.......................NOT SEEN TOM SINCE HE MOVED TO BRISTOL.................................................
2.she (last) wrote to me nearly 2 years ago. -->she has ......NOT WRITTEN TO ME FOR NEARLY 2 YEARS...............................................
3.this film was (last) shown on TV nearly 10 years ago --> this film has.NOT BEEN SHOWN FOR NEARLY 10 YEARS ..
4.she last swam in the river 3 years ago --> she has...NOT SWUM IN THE RIVER FOR 3 YEARS
5. I last visited the city museum 5 years ago --> I have ......NOT VISITED THE CITY MUSEUM FOR 5 YEARS............................
6. I haven't attended the club since 1998---> I last......ATTENDED THE CLUB IN 1998.....
7.I haven't seen him for 2 months--> I last.............SAW HIM 2 MONTHS AGO.......................................
8. I haven't gone swimming for 2 years--> I last ........WENT SWIMMING 2 YEARS AGO...........................................
Complete the sentences. Put “for” or “since” into each gap.
1. It has been raining SINCE lunch time.
2. My boss will go away FOR the next ten days.
3. I’m staying in England FOR a year.
4. She has lived in London SINCE 1985.
5. Please hurry up! We have been waiting FOR an hour.
6. I have known her SINCE January.
7. Nam’s father has worked in this company FOR 20 years.
8. Have you learned English FOR a long time?
9. I haven’t seen Tom SINCE Monday.
10. The house is very dirty. We haven’t cleaned it FOR ages.
11. She has been sick SINCE Wednesday.
12. John has worked in that firm FOR six years.
13. He has been in the hospital FOR almost a month.
14. They haven’t sent him any money SINCE last summer.
15. She has not eaten anything FOR two days.
16. They have been friends SINCE high school.
17. They have lived with her parents SINCE they were married.
18. We’ve lived here FOR 1999.
19. I haven’t seen Linh SINCE my birthday party.
20. That building has been there SINCE the 19th century.
1. He last went to see his grandparents a month ago.
--> He has not seen his grandparents for a month.
2. They haven't visited Nga for half a year.
--> They last visited Nga half a year ago.
3. The last time T came here was 10 years ago
--> I haven't come here for 10 years.
4. The last time I saw Dick was in 1995.
--> I haven't seen Dick since 1995.
5. Mary has been working in this company for five years.
--> Mary began/started working in this company 5 years ago.
6. No sooner had we finished the test than the bell rang.
--> Hardly had we finished the test when the bell rang.
7. Hardly had they arrived at the airport when it began tp rain.
--> No sooner had they arrived at the airport than it began to rain.
8. I have never met a famous person before.
--> This is the first time I have met a famous person.
9. This is the first time she has seen this man here.
--> She has not seen this man here before.
10. This is the first birthday time she has attended such an enjoyable birthday party.
--> She has never attended such an enjoyable birthday party before.
11. They spent two hours doing these exercises at home.
--> It took them two hours to do these exercises at home.
12. If you don't have a rest, you really will be ill.
--> Unless you have a rest, you really will be ill.
13. You won't lose weight if you don't stop eating much.
--> Unless you stop eating much, you won't lose weight.
14. Unless he phones immediately, he won't get any information.
--> If he doesn't phone immediately, he won't get any information.
15.you can't visit London unless you get a visa.
--> If you don't get a visa, you can't visit London.
16. She works hard, so she earns a lot of money.
--> If she doesn't work hard, she won't earn a lot of money.
17. I didn't send her an invitation because I didn't findher address.
--> If I had found her address, I would have sent her an invitation.
18.We got lost because we didn't have a map.
--> If we had got a map, we wouldn't have got lost.
19. Without his help,we would all have died.
--> If it hadn't been for your help, we would all have died.
20. I would like to go fishing,but I don't have much time.
--> If I had much time, I would go fishing.