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(1) was invented (1) When was nylon invented?
(2) work (2) Who invented nylon?
(3) was introduced (3) When was nylon introduced to the world?
(4) became (4) What was the best present for many women during the Second World War?
(5) was used (5) How long has nylon played an important part in our lives?
(6) is found
(7) has played
(8) will be manufactured
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1) I did my Maths homework yesterday. (to do)
2) Does Susan go to England by plane? (to go)
3) They visited a farm two weeks ago. (to visit)
4) Jenny and Peggy don't help their brother. (not/to help)
5) The children weren't at home last weekend. (not/to be)
6) When did you design this wonderful skirt? (to design)
7) My mother doesn't crash into the van. (not/to crash)
8) The boys take off the mudguards of their bicycles. (to take off)
9) Do you visit your aunt ?
1) I..did.......my Maths homework yesterday. (to do)
2).....did....Susan.....go....to England by plane? (to go)
3) They.....visited....a farm two weeks ago. (to visit)
4) Jenny and Peggy....don't help.....their brother. (not/to help)
5) The children...weren't......at home last weekend. (not/to be)
6) When.....do....you.....design....this wonderful skirt? (to design)
7) My mother....doesn't crash.....into the van. (not/to crash)
8) The boys......take off...the mudguards of their bicycles. (to take off)
9).....do....you.....about....your aun

1.. At this time tomorrow, they (travel)…… …will be traveling………… in Vietnam.
2. When they (come) …………come……….tomorrow, we (swim)…… …will swim………….. in the sea.
3. My parents (visit)… …will be visiting… Europe at this time next week
4. Daisy (sit)………… ……will be sitting………………on the plane at 9 am tomorrow.
5. At 8 o’clock this evening my friends and I (watch)…………will be watching……… a famous film at the cinema.
6. She (play)……… ……will be playing……………… with her son at 7 o’clock tonight.
7. He (work) ……………will be working……………..at this moment tomorrow.
8. They (make) ………………wuill be making……………….their presentation at this time tomorrow morning.
1. This time next year I (live)______ …will be living……………………in London.
2. At 8PM tonight I (eat)_______will be eating__........................... dinner with my family.
3. They (run)_______will be running_ …………………..for about four hours. Marathons are incredibly difficult!
4. Unfortunately, I (work)______.............will be working........... on my essay so I won’t be able to watch the match.
5. She (study)_________ …………will be studying……………….at the library tonight.
6. (you/wait)______.................Will you be waiting.......................... at the station when she arrives?
7. I (drink)_________......will be drinking.................... at the pub while you are taking your exam!
8. (she/visit)________ ………Will she be visiting……………….her Grandmother again this week?
9. At 3PM I (watch)__________....will be watching................that movie on channel four.
10. (they/attend)____________ Will they be attending……………..your concert next Friday? It would be lovely to see them.

I. Write the past simple form of the following verbs.
Infinitive Past Infinitive Past Infinitive Past Infinitive Past
1. be _____was/were______
2. find _____found______
3. use ______used_____
4. fall ______fell_____
5. light ______lit_____
6. escape ______escaped_____
7. make_______made____
8. graze _____grazed______
9. fit ______fit_____
10. lose ______lost_____
11. go ______went_____
12. choose ______chose_____
13. appear______appeared_____
14. come _____came______
15. hold______held_____
16. break ______broke_____
II.Complete the sentences, using the past simple of the suitable verbs in part I.
Ex: A lion escaped, from its cage yesterday morning.
1. A light______was____ at the end of the road.
2. The sheep_____grazed_____ peacefully in the fields.
3. He_____lit_____ a fire in the living room.
4. They_____held_____ an Autumn Fashion Show three months ago.
5. I_____lost_____ my keys on the way home this afternoon.
6. The Americans_____chose_____ Mr. Bush as President.
7. We______went____ home and_____found_____ her asleep on the sofa.
8. She_____fell_____ over and_____broke_____ her leg.
9. We_____went_____ on a school trip to a museum.
10. She_____made_____ me a beautiful dress for my birthday party.
III. Complete these sentences with used to or didn`t use to.
Ex: I used to so swimming (go swimming) but now I don’t go swimming any more.
1. My father gave up smoking two years ago. He ________used to smoke______ (smoke) a packet of cigarettes a day.
2. There_______used to be____________ (be) a movie theater here but it closed a long time ago.
3. Mr. An__________didn't use to drink_________ (not drink) coffee when he was young but he like it now.
4. Peter__________used to have_________ (have) a motorbike, but last month he sold it and bought a car.
5. I__________didn't use to like_________ (not like) her but we are best friends now.
6.They came to live in the city last year. They__________used to live_________ (live) in a small village in the country.
7. My sister _________used to play__________ (play) tennis a lot but she doesn’t play very often now.
8. When I was a child I____________didn't use to study_______ (not study) hard.
IV.Complete the dialogue. Put in used to with the verb.
Mrs. Bell is a hundred years old. She is the oldest person in the village. A radio reporter is interviewing her.
Mrs. Bell: I’ve always lived in the village, but not always in this house.
Reporter: (1) ____________Where did you used to live?____________(Where/ you/ live?)
Mrs. Bell : When I was a girl, (2) _________We used to live__________ (we/ live) at Apple Tree Farm.
Reporter : But life was hard, wasn’t it?
Mrs. Bell : Oh, yes. Things (3) _________used to be__________ (be) different from the way they are now. In those days (4) _________we didn't use to have__________ (we/ not/ have) electricity.
Reporter : And (5) __________Did you use to help_________ (you/ help) with the farm work?
Mrs. Bell : Yes, (6) __________I used to look _________ (I/ look) after the hens.
Reporter: What did you do in the evenings?
Mrs. Bell: After dinner, (7) __________we used to gather_________ (we/ gather) round my grandfather to listen to his stories. At the time, (8) _________we used to have__________ (we/ have) few games to play.

IV.Complete the dialogue. Put in used to with the verb.
Mrs. Bell is a hundred years old. She is the oldest person in the village. A radio reporter is interviewing her.
Mrs. Bell: I’ve always lived in the village, but not always in this house.
Reporter: Where do you live ?
Mrs. Bell : When I was a girl, we lived at Apple Tree Farm.
Reporter : But life was hard, wasn’t it?
Mrs. Bell : Oh, yes. Things were different from the way they are now. In those days we didn't have electricity.
Reporter : And Did you help with the farm work?
Mrs. Bell : Yes, I looked after the hens.
Reporter: What did you do in the evenings?
Mrs. Bell: After dinner, we gathered round my grandfather to listen to his stories. At the time, we will have few games to play.

viết lai câu sao cho nghĩa ko đổi
1 I was late for school because I missed the bus
-> I missed the bus so I was late for school.
2 '' What is the name of your school? ''
-> she asked me what the name of my school was.
3 They have just introduced a new style of jeans in the USA
-> A new style of jeans has just been introduced in the USA.
4 do you like watching advertisements?
-> Are you fond of watching advertisments ?
5 did you go to bed early last night
-> you go to bed early last night, didn't you ?
viết lai câu sao cho nghĩa ko đổi
1 I was late for school because I missed the bus
-> I missed the bus, so I was late for school
2 '' What is the name of your school? ''
-> she asked me the name of my school
3 They have just introduced a new style of jeans in the USA
-> Anew style of jeans have been just introduced in the USA
4 do you like watching advertisements?
-> Are you fond of watching advertisements?
5 did you go to bed early last night
-> you went to bed early last night, didn't you?

36/Hong Tam used to live in the village.
-> That is the village where Hong Tam used to live.
37/ Quoc Hoa enjoys reading books. He parularly enjoys reading thrillers.
-> The kind of books Quoc Hoa enjoys reading is thrillers.
38/ Oliver Twist was written by Charles Dickens. It’s about an orphan boy who lived in the orphanage.
-> Charles Dickens wrote Oliver Twist, which is about and orphan boy who lived in the orphanage.
39/ Michael Crichton wrote Jurassic Park. He used to be a hospital doctor.
-> Michael Crichton, who wrote Jurassic Park, used to be hospital doctor.
40/ It’s possible that it’s correct.
-> That's may be correct.
41/ It’s possible to travel to Russia without a visa.
-> You can’t travel to Russia if you don't have a visa.
42/ I wasn’t able to phone her because I didn’t know her phone number.
-> If I had known her phone number, I would have been bale to phoneherr.
43/ You don’t do any exercise and that’s why you put on weight.
-> If you did some exercise, you wouldn't put on weight.
44/We should brush our teeth carefully after meals.
-> Our teeth should be brushed carefully after meals.
45/ He is no longer late for class.
-> He used to be late for class.

We don't have to get up early at the weekend. (negative)
I have to decide which job I want before the end of the week. (positive)
We don't have to take the bus into the city center. We can walk. (negative)
She has to open the shop at 9 o`clock every morning. (positive)
You have to talk quietly in the library. (positive)
You don't have to send the letter to him by post. I will see him tomorrow and I can give it to him then. (negative)
You don't have to explain it to me. I understand the problem. (negative)
We have to stop talking when the lesson starts. (positive)
We have not to get up early at the weekend.
I have to decide which job I want before the end of the week.
We have not to take the bus into the city center. We can walk.
She has to open the shop at 9 o`clock every morning.
You have to talk quietly in the library.
You have not to send the letter to him by post. I will see him tomorrow and I can give it to him then.
You have not to explain it to me. I understand the problem.
We have to stop talking when the lesson starts.
1 They advise us to give the victim some tea when she revises
2 We should ease the pain with ice or cold water packs
3 I always open the window in our der to let fresh air in
4 Mary wrote a notice on the board to inform her classmates about the changes in schedule
5 What type of garbage can you put in the compost?
6 We should contact an organization like Friends of the Earth for more information
7 Your grandfather and I are very delighted that you passed your English examination
8 We should write soon and confirm your arrival date and time
9 Mankind might live on the moon in the future
10 In some areas people burn dry tea leaves to keep mosquitoes away
1. They advise us to give the victim some tea when she revises.
2. We should ease the pain with ice or cold water packs.
3. I always keep the window open in order to let fresh air in.
4. Mary wrote a notice on the board to inform her classmates about the changes in schedule.
5. What type of garbage can you put in the compost?
6. We should contact an organization like Friends of the Earth for more information.
7. Your grandfather and I are very delighted that you passed your English examination.
8. We should write soon and confirm your arrival date and time.
9. Mankind might live on the moon in the future.
10. In some areas people burn dry tea leaves to keep mosquitoes away.