Exercise 1: Make an affirmative sentence, negative sentence or question using 'used to + infinitive':
I / live in a flat when I was a child.(câu ví dụ mẫu)
-> (+) I used to live in a flat when I was a child .
-> (-) I didn’t use to live in a flat when I was a child .
> (?) Did we use to go to the beach every summer?
2) We / go to the beach every summer?
-> (+) Did we use to go to the beach every summer
-> (-)
-> (?)
3) She / love eating chocolate, but now she hates it
-> (+) She used to love eating chocolate, but now she hates it
-> (-)
-> (?)
4) He / not / smoke.
-> (+) He didn't use to smoke
-> (-)
-> (?)
5) I / play tennis when I was at school.
-> (+) I used to play tennis when I was at school
-> (-)
-> (?)
6) She / be able to speak French, but she has forgotten it all.
-> (+) She used to be able to speak French, but she has forgotten it all
-> (-)
-> (?)
7) He / play golf every weekend?
-> (+) Did he use to play golf every weekend
-> (-)
-> (?)
8) They both / have short hair.
-> (+) They both used to have short hair
-> (-)
-> (?)
9) Julie / study Portuguese.
-> (+) Julie used to study Portuguese
-> (-)
-> (?)
10) I / not / hate school.
-> (+) I didn't use to hate school
-> (-)
