1) they haven't
2) Has worked
3) Has studied
4) finished
5)Have known
6) have had
7) love
8) have lived here for many months
9) I have read
10)Has not fished
1) they haven't
2) Has worked
3) Has studied
4) finished
5)Have known
6) have had
7) love
8) have lived here for many months
9) I have read
10)Has not fished