1) Tom gave up smoking two years ago. -->Tom used ………………………………………. 2) I quite like drinking coffee in the morning, although I wasn’t keen on it when I was young. --> I didn’t …………………………………………. 3) My father took me to school when I was a child . --> My father used ………………………………………… 4) He often played tennis when he was young . --> He used …………………………….. 5) I usually ate ice scream when I was a child , but now I don’t any longer. --> I used ……………………………………..

1.Tom used to give up smoking two year ago

2.I didn't use to drink coffee in the morning , although I wasn't keen on it when I was young

3.My father used to take me to school when I was a child

4.He used to play tennis when he was young

5.I used to eat ice scream when I was a child but now I don't any longer

*Cấu trúc đối với used to :

- Dạng khẳng định : S + used to + Vinf .....

- Dạng phủ định : S + did not + use to + Vinf....

1 tom used to smoke 

-> used to + v nguyên mẫu 

2  I didn't use to drink coffee in the morning when I was young

-> didn't used to + v nguyên mẫu 

3 my father used to take me to school 

-> used to + v nguyên mẫu

4 he used to play tennis 

-> used to + v nguyên mẫu 

5 i used to eat ice cream 

-> used to + v nguyên mẫu