1for 

2 for 

3 since

4since 

5for 

6since

7for 

8since

câu 1 has know

câu 2 has lived

câu 3 has written

câu 4 has broken

câu 5 have seen

câu 6 has had

câu 7 have been

câu 8haven't finished

câu 9 have   /bee

3

1 .studied.......

2 .had read.

3have studied..

4 ..travelled..

5...had.....

6.do.

7 .learnt.

8 ..been...

9 ....stopped........took......... 

10 ....was.......heard..........cried...

11 has lived

12 left

13 eaten

14 stole