1. have, seen

2. have, heard

3. has, given

4. haven't, had

5. has, gone

6. have, found

7. have, put

8. haven't,read

9.has, told

10.haven't, had

11.has, bought

12.haven't, done

13.Has, lost.

14.has already left

15.1 have forgotten.

16.1 have spoken

17.haven't made

18.1 have already told

19.has shown me

20We have brought