1. Have you ever swallowed a fly?
2. Have you or your friends ever been surfing?
3. Have your parents ever dyed their hair?
4. Has your best friend ever borrowed money?
5. Have you ever stayed up all night?

Công thức thì Hiện tại hoàn thành:

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

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

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

Dấu hiệu nhận biết:

Có các từ : ever, never, lately, yet, just, since, for,...

`1.` Have you ever swallowed a fly?

`2.` Have you or your friends ever been surfing?

`3.` Have your parents ever dyed their hair?

`4.` Has your best friend ever borrowed money?

`5.` Have you ever stayed up all night?

`@` Kiến thức thì HTHT :

`-` Khẳng định : S + have/has + P2 + .....

`-` Phủ định: S + have/has not + P2 + .....

`-` Nghi vấn : Have/has + S + P2?