1. did

last Sunday → QKĐ

2. Has she ever been

ever → HTHT

3. met

last Monday → QKĐ

4. hasn't woken up

yet → HTHT

5. haven't met

since → HTHT

6. slept

last night → QKĐ

7. got

two days ago → QKĐ

8. have already arriven

already → HTHT

9. am not doing

at the moment → HTTD

10. Does he watch

regularly → HTĐ

11. is

Câu giới thiệu → HTĐ

12. wears

today → HTĐ

13. is eating 

at the moment → HTTD

14. likes

Câu giới thiệu → HTĐ

15. eats

every day → HTĐ

*Cấu trúc thì hiện tại hoàn thành:

(+) S + has/ have + V_ed/ V3

(- ) S + has/ have + not + V_ed/ V3

(? ) Has/ Have + S + V_ed/ V3?

*Cấu trúc thì hiện tại tiếp diễn:

(+) S + is/ am/ are + V_ing

(- ) S + is/ am/ are + not + V_ing

(? ) Is/ Am/ Are + S + V_ing?

*Cấu trúc thì quá khứ đơn:

(+) S + V_ed/ V2

(- ) S + didn't+ V_inf

(? ) Did + S + V_inf?

*Cấu trúc thì hiện tại đơn:

(+) S + V_inf/ V-e,es

(- ) S + don't/ doesn't + V_inf

(? ) Do/ Does + S + V_inf?