(+) S + used to + V-inf

(-) S + didn't use to + V-inf 

(?) Did + S + use to + V-inf 

Yes, S + did / No, S + didn't

Ta dùng "used to" để diễn tả những hành động đã từng xảy ra thường xuyên ở quá khứ nhưng không còn ở hiên tại

1.I used to play computer games when I was a child, but now I play a lot of games in the evening. 2.Mike used to smoke before going to the army.

3.There used to be three parks in our village, but now there is only one.

4.Murat used to like cheese burgers, but now he eats healthy food.

5.She didn't use to before she got married, but now she cooks everything.

6.Alex didn't use to a mobile phone, but now she sends text messages easily.

7.When I was single, I used to have big parties in my house, but now I watch TV in the evenings.

8. When I was in Vietnam, I used to watch football matches at the stadium. Now I watch on TV every weekend.

9.A: Did you use to drink a glass of milk every morning when you were a child?

B: Yes, I did, but now I drink a cup of coffee every morning.

10.My sister loves classical music, but she used to hate it when she was younger.

Đáp án:

`1.` used to play/ play

`2.` used to smoke

`3.` used to be/  is

`4.` used to like/ eats

`5.` didn't use to cook/ cooks

`6.` didn't use to have/ sends

`7.` used to have/ watch

`8.` used to watch/ watch

`9.` Did you use to drink/ drink

`10.` loves/ used to hate

`-` Cấu trúc:

S + used to + V(động từ nguyên mẫu)

`-` S + didn't + use to + V(động từ nguyên mẫu)

`-` Cấu trúc used to hay cấu trúc used to + động từ , đc sử dụng để nói về một thói quen, hành động, sự kiện hoặc trạng thái đã từng xảy ra trong quá khứ và không còn xảy ra trong hiện tại nữa. Đôi khi nó được dùng để nhấn mạnh về khác biệt giữa hiện tại và quá khứ.