哪些单词的过去式是不规则的

课本后有个 附录，

1 不变化词：hurt—hurt；put—put；hit—hit ;
2 剧烈变化的过去式：
am /is – was; are – were; buy—bought; come—came;
drink—drank; eat—ate; feel—felt; fly—flew;
do—did; get – got; go—went; have—had;
know—knew; leave—left; make—made; ride—rode;
run—ran; say—said; see—saw; send—sent;
sing—sang; sit—sat; speak—spoke; stand—stood;
take—took; teach–taught; think–thought; wear—wore;
write—wrote; find –found; give – gave; swim – swam;
win –won; bring –brought.

挺多的，如:

1、is-was；

2、are-were；

3、am-was；

4、go-went；

5、do，does-did；

6、bring-brought；

7、make-made；

8、have-had；

9、run-ran；

10、tell-told；

11、eat-ate；

12、get-got；

13.draw-drew；

14、put -put；

15、read-read。