Bạn kham thảo:
11. Have you found? / lose/ have already found
12. opened/ will see
13. have spoken/ quarreled.
14. have drunk/ sit
15. Has ever met?
16. Did Shakespeare write? / writeas
17. Has he written?
18.
- Dave: Do you travel? / Have you ever been? / Did you visit?
- Nora: have been / have visited / visited
19. drank/ has drunk
Hầu như ta dựa vào thì HTHT:
Ta có công thức sau:
+) S + have/ has + V3
-) S + have/ has not + V3
?) Have/ has + S + V3?
