1. eaten.
2.been.
3. spoken.
4. ridden.
5. known.
6. begun.
7. missed.
8. spent.
9.phoned.
10.beaten.
11. don't rained.
12.don't brought.
13.studied.
14.bitten.
15.haven.
16.admired.
17.leaved.
18.keeped.
19.readed.
20.hurted.
