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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

I was listening to the radio when the door bell was ringing
=> rang
I was listening to the radio when the door bell was ringing
=> rang

1. If my sister has enough time, she will cook me an enormous meal.
2. If I doing the homework, I will tired.
3. If she stayed up late yesterday, she will sleeping now
4. If we won the lottery yesterday we will have a lot of money now.(if)
5. If I didn’t learn English, I won't pass the exam.
6. If she has a lot of money, she will buy this computer
7.If I loved him, I will get married with him.(if)
1. My sister will have enough time. She will cook me an enormous meal.(if)
=>If my sister has enogh time,she'll cook me an enormous meal.
2. Doing the homework makes me tired.(if)
=>If I do the homework,I'll tired
3. She is sleeping now because she stayed up late yesterday.(if)
=>If she stayed up late yesterday,she'll sleeping now.
4. We won the lottery yesterday so we have a lot of money now.(if)
=>If we won the lottery yesterday,we'll have a lot of money now.
5. I didn’t learn English so I didn’t pass the exam.(if)
=>=>If I didn't learn English,I won't pass the exam.
6. She can’t buy this computer because she has no money.(if)
=>If she has a lot of money,she'll buy this computer,
7. I loved him so I got married with him.(if)
=>If I loved him,I'll get married with him

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.

1. I’m surprised at John’s intelligent replies.
" I’m surprised that John replies intelligently
2. My sister’s good result makes me very happy.
" I’m very happy that my sister has good result
3. It was careful of us to say the right things.
" We were careful that we say the right things
4. I was amazed to get those high marks.
" I was amazed that I get those high marks
5. It’s disappointing for him to get the bad result.
¨ He is disappointed that he gets the bad result (that)
6. We are very amazed because you won the first prize.
" We are very amazed that you won the first prize
7. We are very delighted to come to your birthday party this weekend.
" We are very delighted that we come to your birthday party this weekend
8. They were very worried about their father’s bad health.
" They were very worried that their father had bad health
9. I was very delighted that I passed the final exam.
" I was very delighted to pass the final exam
10. We were anxious that we were late for school this morning.
" We were anxious to be late for school this morning

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________did not 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________did not 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__________did not use to study_________ (not study) hard.
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 didn't used to smoke a packet of cigarettes a day.
2. There is used to a movie theater here but it closed a long time ago.
3. Mr. An didn't used to drink coffee when he was young but he like it now.
4. Peter used to have a motorbike, but last month he sold it and bought a car.
5. I didn't used to like her but we are best friends now.
6.They came to live in the city last year. They used to live in a small village in the country.
7. My sister used to play tennis a lot but she doesn’t play very often now.
8. When I was a child I didn't used to study hard.

(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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6. I was very delighted to pass the final exams.
---> I was very delighted that.......I passed the final exams..
7. We are very happy to have a trip to Hue this weekend.
→ We are very happy that.....were are going to have a trip to Hue this weekend.....
8. My friend was very sorry to break my bike yesterday.
→ My friend was very sorry that....she broke my bike yesterday.......
9. She is learning English hard because she wants to study abroad.
→ She is learning English hard so....that she can study abroad......
10. The last time she met her parents was three weeks ago.
→ She's.......not met her parents for three weeks......