Ex8:

1. Ba has collected stamps since three years ago

2. We have lived here since twenty years ago

3. I haven't seen Nam since five years ago

4. She hasn't visited us since four months ago

5.I have met Susan since 2006

6. Minh has had a digital camera since 2001

7. Mai has played the piano since she was ten years ago 

8. Barbara has arrived in hanoi since five months ago

9. they have lived here since last month

10. My shoes and yours aren't same

EX9:

1. Have/done

2. To see

3. sees

4. Have waited 

5. To fix

6. Go

7. Didn't go

8.teached

9. ironed

10.has done

11. to come 

12.not to smoke 

13.  Playing

14.wear

15. to correct 

16.invented

17. listening 

EX10:

11.We are teached grammar and writing by Miss Lan

12. He have been found by the police several days

13. The door of the classroom couldn't be opened 

14. The pridge will be built by the government in next July

15. the electricity light bulb was invented by Thomad Edison

16. Their grandmother be going to be visited on the weekend

17. I was adviced by Tam to take part in the course

18. That work has been done since last week

19. the crop may be damaged by the heavy rain

20. that news early shouldn't be announced 

HẾT :)

Bn tham khảo nhé

Ex8:

1.Ba has collected stamps since three years ago.

2.We have lived here since twenty years ago.

3.I haven't seen Nam since five years ago.

4.She hasn't visited us since four months ago.

5.I have met Susan since 2006.

6.Minh has had a digital camera since 2001.

7.Mai has played the piano since she was ten years ago. 

8.Barbara has arrived in hanoi since five months ago.

9.They have lived here since last month.

10.My shoes and yours aren't same.

Ex9:

1.Have/done

2.To see

3.Sees

4.Have waited 

5.To fix

6.Go

7.Didn't go

8.Teached

9.Ironed

10.Has done

11.To come 

12.Not to smoke 

13.Playing

14.Wear

15.To correct

16.Invented

17.Listening

Ex10:

11.We are teached grammar and writing by Miss Lan.

12.He have been found by the police several days.

13.The door of the classroom couldn't be opened .

14.The pridge will be built by the government in next July.

15.The electricity light bulb was invented by Thomad Edison.

16.Their grandmother be going to be visited on the weekend.

17.I was adviced by Tam to take part in the course.

18.That work has been done since last week.

19.The crop may be damaged by the heavy rain.

20.That news early shouldn't be announced.

Chúc bn học tốt