Công thức:

(+) S + have / has + V3/ed…
(-) S + have / has + not + V3/ed…
(?) (Wh) + have / has + S + V3/ed…?

1. He / just / have / a cold.
He has just had a cold.
2. They / live / in this house / since April.
They have lived in this house since April.
3. We / not see / each other / for 10 years.
We haven’t seen each other for 10 years.
4. You / finish / your homework / yet?
Have you finished your homework yet?
5. Mai / already / clean / her room.
Mai has already cleaned her room.
6. How long / you / learn / English?
How long have you learnt English?

`1` He has just had a cold

`->` Cấu trúc : S + have/has + just + Vpp 

`2` They have lived in this house since April

`->` Cấu trúc : S + have/has + Vpp 

`3` We have not seen each other for 10 years

`->` Cấu trúc : S + have/has + not + V3

`4` Have you finished your homework yet? 

`->` Cấu trúc : Have/has + S + Vpp

`5` Mai has already cleaned her room

`->` Cấu trúc : S + have/has + already + Vpp

`6` How long have you learnt English

`->` Cấu trúc : How long + have/has + S + Vpp