按要求写出下列动词的适当形式。
1. catch (第三人称单数) ______________________
2. try (过去式) ______________________
3. wash (第三人称单数) ______________________
4. die (现在分词) ______________________
5. swim (现在分词) ______________________
6. run (过去式) ______________________
7. cut (现在分词) ______________________
8. hurt (过去式) ______________________
9. come (现在分词) ______________________
10. nod (过去式) ______________________
11. hurry (第三人称单数) ______________________
12. do (第三人称单数) ______________________
13. buy (过去式) ______________________
14. play (现在分词) ______________________
15. mix (第三人称单数) ______________________
16. go (过去式) ______________________
17. do (过去式) ______________________
18. stop (过去式) ______________________
19. begin (现在分词) ______________________
20. touch (第三人称单数) ______________________
1. catches 2. tried 3. washes 4. dying 5. swimming 6. ran 7. cutting 8. hurt 9. coming 10. nodded
11. hurries 12. does 13. bought 14. playing 15. mixes 16. went 17. did 18. stopped 19. beginning
20. touches