1.have leaved
2.has already seen
3.Have you just spoken
4.I have seted off
5.I have already eaten
6.have you heard
7.He has to wrote
8.has read
9.has finished
10.have lost
11.has visited
12.haven't eaten
13.have known
14.haven't payed
15.haven't did
16.haven', t brought
17.he haven't
18.haven't studied