+)S + have/has + Ved/pIII

-) S + haven't / hasn't + Ved / pIII

? ) Have /Has + S + Ved/VPIII

Áp dụng :

1 i have studied French

2 She has eaten octopus

3 they have gone to Scotland

4 we havr read that book

5 he has lived here for three years

6 You have known David foe ten years

7 we have been here for two weeks

8 i have lost my keys

9 he has drunk too much of coffee

10 they have missed tha train