`1` have learnt

`2` haven't been

`3` has read

`4` haven't spoken

`5` Have ..... used ?

`6` has been

`7` have known

`8` has appeared

`9` Have you ever been ?

`10` has ...... known ?

`---------------`

`->` Hiện tại hoàn thành 

`*` 1 số $Dấu$ $hiệu$

`-` since + mốc thời gian/Thì QKĐ | for + mốc thời gian

`+` since I left school

`+` for over 5 years

`+` since 1947

`-` many times

`-` before

`-` yet/just/never

`-`  so far

`-` How long + have/has + S + PII ?

`*` Cấu trúc

`+` S + has/have + PII

`-` S + have/has + not + PII

`?` Have/Has + S + PII ?

`->` She, he, it và N số ít `=>` Trợ V : $has$

`->` I, you, we, they và N số nhiều `=>` Trợ V : $have$

Công thức:

S + have / has + V3/ed…

S + have / has + not + V3/ed…

(Wh) + have / has + S + V3/ed…?

1. I (earn) have earned my own living since I left school.
2. They (not / have) haven’t had a holiday for over 5 years.
3. Mr. Smith (read) has read this book many times.
4. He (not / speak) hasn’t spoken to me before.
5. Have you (use) used this machine yet?
6. India (be) has been an independent country since 1947.
7. I (know) have known George for a long time.
8. So far she (appear) has appeared in 3 action films.
9. (you, ever, be) Have you ever been to London before?
10. How long has Phong (know) known you?