I.
1. practises
2. cooks
3. watches
4. doesn't like
5. doesn't go
6. rises
7. keeps
8. don't have
II.
1. eat - ate - eaten
2. go - went - gone
3. leave - left - left
4. do - did - done
5. write - wrote - written
6. come - came - come
7. meet - met - met
8. see - saw - seen
9. know - knew - known
10. run - ran - run
11. have - had - had
12. give - gave - given
13. make - made - made
14. learn - learned/learnt - learned/learnt
15. buy - bought - bought.