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I . complete the following sentences with used to or didn't use to
1. I often play chess now . I didn't use to play ( not play ) chess when I was young
2. my brother used to play ( play ) soccer a lot but he doesn't play anymore
3. Peter often walks to school now . He didn't use to walk ( not walk ) to school two years ago
4. She likes eating durian now . She didn't use to eat ( not eat ) durian when she was young
5. I didn't use to like ( not like ) her but we are best friends now
6. When I was a child , I used to study ( study ) hard
7. I often drink coffee now . I didn't use to drink ( not drink ) before
8. I used to go( go ) fishing but now I don't go fishing anymore
9. My father gave up smoking a year ago . He used to smoke ( smoke ) twenty cigarettes a day
10. there used to be ( be ) a bridge here but it collapsed a long time ago
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.
VI. Rewrite so that the second sentence means nearly exactly the same as the first one.
We have learnt English for 4 years.
We started to learn English 4 years ago.
My father started to give up smoking last year.
My father has given up smoking for a year.
They have worked in that factory since 2001.
They started to work in that factory in 2001.
Lan hasn’t written to Maryam for a month.
Lan didn’t write to Maryam a month ago.
Ha has lived in Hanoi since he was 12.
He started to live in Hanoi when he was 12.
I haven’t seen her for a long time.
I didn’t see her a long time ago.
How long have you learnt French?
How long ago did you learn French?
When did you start to listen to classical music?
How long have you listened to classical music?
I last saw her 10 years ago.
I haven’t seen her for 10 years.
How long have you bought this car?
When did you buy this car?
1 .We started to learn English 4 years ago.
2. My father has given up smoking for a year.
3. They started to work in that factory in 2001.
4. Lan didn’t write to Maryam a month ago
5.He started to live in Hanoi when he was
6.I didn’t see her a long time ago.
7.How long ago did you learn French?
8 How long have you listened to classical music?.
9. I haven’t seen her for 10 years.
10. When did you buy this car?
VIII. - Rewrite these sentences, using " used to ", " didn't use to ", " Did... use to ".
1. When I wass a child, I watched cartoon on TV. I don't watch cartoons anymore.
-> I ..used to watch cartoon on TV.., but I don't anymore.
2. Did you go to a kindergarten when you were a child?
-> Did..you use to go to a kindgarden..?
3. When I was child, I cried a lot. I don't cry a lot now.
-> I ..used to cry a lot.., but I don't anymore.
4. Now you live in this town. Where did you live before you came here?
-> Where ..did you use to live.. before you cảm here?
5. When I was a child, I wanted to be an adult like my father.
-> I ..used to want to be an adult.. like my father.
6. When Carol was a child, she was very shy. Now she's not shy.
-> Carol ..used to be very shy.., but she isn't anymore.
7. I didn't get up early when I was younger. Now I usually get up early.
-> I didn't ..use to get up early.., but now I do.
8. When I was younger, I made a lot of spelling mistakes. Now I don't anymore.
-> I ..used to make a lot of spelling mistakes.., but I don't anymore.
9. When Brian was younger, he didn't drink coffee. Now he drinks coffee.
-> Brian didn't ..use to drink coffee.., but now he does.
10. Did you like wearing new clothes when you were a child?
-> Did.you used to wear new clothes whe you wear a child...
1.....used to watch TV. 2......used go to a kindergarten. 3......used to cry a lot. 4......did you use to live. 5......used to want to be. 6.....used to be shy. 7......use to get up early. 8.....used to make a lot of spelling mistakes. 9.......use to drink coffee. 10.....you use to wear new clothes.
Exercise 2: Complete these sentences with used to or didn't use to.
1. When Jane was young, she (go).......used to....... swimming in the river but now she doesn't go swimming any more.
2....Did.... you (cry).......used to cry....... so much when you were a baby?
3. My young sister (be)........used to...... afraid of dogs but now she isn't.
4. They (not like).....didn't use to........ her but they are best friends now.
5.Mr.Johnson (have)... used to have.... a car , but last year, he sold it and bought a new one.
6. My aunt (go)....used to... to work by motorbike.
7. People (not talk)........didn't use to talk...... on the phone many hundred years ago.
8. My parents (live).........used to..... in Hue, but now we are living in HCMC.
9. Her father (take)......used to........ them to the zoo when he was alive.
10. People (not think).......didn't use to think....... that the earth was round.
1. He started being her when he was 12.
2. Lan didn't write to me a month ago.
3. My father has given up smoking since last year.
4. How long have you listened to classical music ?
5. I haven't seen her for 10 years.
6. When did you buy this car?
1. Mrs An didn' t drink coffee when she was young but she s it now.
-Mrs An didn' t use to drink coffee when she was young.
2. I got up late last year, but now i get up early.
- I used to get up late last year.
3. Two years ago, my brother often played chess very well but now he doesn't .
- My brother used to play chess very well two years ago.
4. My father usually played soccer, but now he doesn' t any more .
- My father used play soccer.
5. When did you begin to study English?
- How long have you studied English?
6. How long have you studied medicine ?
- When did you begin to studied medicine?
7. When did you start to learn English?
- How long have you learnt English?
8. The last time we ate this kind of food was in January.
- We haven't eaten this kind of food since January.
9. Hoa has written to me since she moved to London.
- Hoa started to write to me since she moved to London.
~~Good luck~~
\(\left(1-\frac{1}{2}\right)\left(1-\frac{1}{3}\right)\left(1-\frac{1}{4}\right)...\left(1-\frac{1}{2012}\right)\)
\(=\frac{1}{2}.\frac{2}{3}.\frac{3}{4}.\frac{4}{5}...\frac{2010}{2011}.\frac{2011}{2012}\)
\(=\frac{1.2.3.4...2010.2011}{2.3.4.5...2011.2012}\)
=\(=\frac{1}{2012}\)