1. run→run
2. take→taken
3. come→come
4. be→been
5. write→written
6. swim→swum
7. begin→begun
8. do→done
9. draw→drawn
10. see→seen
11. speak→spoken
12. sing→sung
13. drink→drunk
14. eat→eaten
15. fly→flown
16. know→ known
17. get →got或gotten
18. give→given
19. go→gone
20. wear→worn
21.send→sent
●︿●,Sorry,我回晚了