$\text{1. }$have lived (DHNB: since)

$\text{2. }$have worked (DHNB: for 20 years)

$\text{3. }$has read (DHNB: three times)

$\text{4. }$have known (DHNB: since)

$\text{5. }$haven't seen (DHNB: since)

$\text{6. }$haven't worked 

$\text{7. }$have bought

$\text{8. }$haven't planed

$\text{9. }$have you been..?

$\text{10. }$has written

$\text{11. }$Have you been...?

$\text{12. }$hasn't started (DHNB: yet)

$\text{13. }$Has he spoken..?

$\text{14. }$hasn't had (DHNB: yet)

$\text{15. }$has jusst caught (DHNB: just)

$\text{16. }$has already invited (DHNB: already)

$\text{17. }$has made

$\text{18. }$has lost

$\text{19. }$have just cleaned (DHNB: just)

$\text{20. }$have given up 

- Cấu trúc:

(+) S+ have/ has+ V-ed/ bqt

(-) S+ haven't/ hasn't+ V-ed/ bqt

(?) Have/ Has+ S+ V-ed/ bqt?

- Trong đó: 

 I/ We/ You/ They/ Danh từ số nhiều + have+..

                 He/ She/ It / Danh từ số ít+ has+...

$\text{# themoonstarhk}$

`1.` have lived

`2.` have worked

`3.` has read

`4.` have known

`5.` haven't seen

`6.` haven't worked

`7.` have bought

`8.` haven't planed

`9.` have you been

`10.` has written

`11.` Have you been

`12.` hasn't started

`13.` Has he spoken

`14.` hasn't had

`15.` has just caught

`16.` has already invited

`17.` has made

`18.` has lost

`19.` have just cleaned

`20.` have given up

`->` Cấu trúc thì Hiện tại hoàn thành:

`+` với động từ thường:

`(+)` S + have/has + Ved/V3

`(-)` S + haven't/hasn't + Ved/V3

`(?)` Have/Has + S + Ved/V3?

`+` Chủ ngữ: I/ we/ you/ they/ N(Số nhiều) `->` dùng "have"

`+` Chủ ngữ: It/ she/ he/ N(Số ít) `->` dùng "has"