1 be was/wer been
2 become became become
3 begin began begun
4 bite bit bitten
5 blow blew blown
6 break broke broken
7 bring brought brought
8 build built built
10 buy bought bought
11 can could 无
12 catch caught caught
13 come came come
14 cost cost cost
15 cut cut cut
16 dig dug dug
17 do did done
18 draw drew drawn
19 drink drank drunk
20 drive drove driven
21 eat ate eaten
22 fall fell fallen
23 feed fed fed