Ex. 1
1. has changed
2. have seen
3. Originated
4. Has won
5. Built
6. Haven't found
7. Has never eaten
8. Was
9. Applied
10. Took place
11. Appeared
Ex. 2
Saw, haven't met, have never heard, has been, did you do, spent, haven't spent, have you ever won, won, did you meet, met, have you been, have been