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Công thức thì HTHT

(+) S + has/have + V3/ed 

(-) S + has/have + not + V3/ed 

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

S số ít, he, she, it + has

S số nhiều, I,  you, we, they + have

DHNB: before, since + mốc thời gian, for + khoảng thời gian, yet, already, just,....

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1. have you been / have been

2. Have you had 

3. has just gone

DHNB: just 

4. Have you heard

DHNB: lately

5. have you known / have known

DHNB: how long, for ten years

6. Has he posted

7. hasn’t he finished / has had 

8. haven’t paid

DHNB: yet 

9. have asked

10. have bought

DHNB: recently

11. has lived

DHNB: since 1988

12. have just met

DHNB: just

13. Have you ever watched

DHNB: ever

14. hasn’t been

DHNB: yet 

15. Has he ever drunk

DHNB: ever

16. haven’t painted

DHNB: yet

17. have already known

DHNB: already

18. bị che chủ ngữ 

19. hasn’t rained

DHNB: since last November 

`color{orange}{~STMIN~}`

`1.` have you been / have been

`2.` Have you had 

`3.` has just gone

`4.` Have you heard

`5.` have you known / have known

`6.` Has he posted

`7.` hasn’t he finished / has had 

`8.` haven’t paid

`9.` have asked

`10.` have bought

`11.` has lived

`12.` have just met

`13.` Have you ever watched

`14.` hasn’t been

`15.` Has he ever drunk

`16.` haven’t painted

`17.` have already known

`18.` No answer

`19.` hasn’t rained

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Công thức : HTHT

`(+)` S + have/has + V(c3/ed) + ...

`(-)` S + haven't/hasn't + V(c3/ed) + ...

`(?)` (WH) + have/has + S + V(c3/ed) + ...?