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 ,....
