Exercise 30;

1.Have seen

2.Have written

3.Has been

4.Have done

5.Have you caught

6.Has eaten

7.Has been broken

8.Have you forgotten

9.Have you chosen

10.Have been stolen

Exercise 30:

1.Has eaten

2.Has written

3.Have taken

4.Have gone

5.Have drank

6.Has sang

7.Has gotten

8.Has hided

9.Has been

10.Have shown

11.Has worn

12.Has drived

13.Has rode

14.Have become

chúc em học tốt!!!!!

1. have seen

2. have written

3. has been

4. have done

5. have you caught

6, have eaten

7. has been broken

8. have you forgotten

9. have you chosen

10. have been stolen

EX 30

1. has eaten

2. has written

3,  have taken

4. have been

5. have drunk

6. has sung

7. has gotten

8. have shown

9. has wore

10. has driven

11. has rode

12. have become