`1.` Have you finished your homework?

- Thì HTHT

ANS: Yes, I have

`2.` Has your father ever been to London?

- Thì HTHT

- DHNB: ever

ANS: No, he hasn't

`3.` Have you done this exercise before?

- Thì HTHT

- DHNB: before

ANS: No, I haven't

`4.` Has Jenny had her l has her lunch?

- Thì HTHT

ANS: Yes, she has

`5.` Have they ever heard the story before?

- Thì HTHT

- DHNB: before

ANS: No, they haven't

1. Have you finished your homework ? 

- Yes , I have 

2. Has your father ever been to London?

No , he hasn't

3.  Have you done this exercise before? 

- No , I haven't 

4. Has Jenny had her lunch yet?

- Yes , she have 

5. Have they ever heard the story before 

- No , they haven't 

Cấu trúc thì HTHT 

+) S + has / have + V3 

-) S + has/ have + not + V3 

?) Have / has + S + V3 

I/ you / we / they + have 

She / he /it + has 

Dấu hiệu : already , since , for , yet ,....