不规则动词表.ppt

;1.A-A-A型（无变化的动词）

cut-cut-cut　let-let-let　hit-hit-hit　

put-put-put cost-cost-cost hurt-hurt-hurt read [ri:d]-read [red]-read [red]

2.A-A-B型（现在式和过去式同形）

beat-beat-beaten

3.A-B-A型（现在式和过去分词同形）

come-came-come

become-became-become

run-ran-run;4. A B B型

1)在动词原形后加一个辅音字母d或t构成

过去式或过去分词。

burn burnt burnt 燃烧 mean meant meant

learn learned/learnt learned/learnt 学习

hear heard heard 听见

2)把动词原形的最后一个辅音字母“d”改为“t” 构成过去式或过去分词。

build built built 建?? lend lent lent 借给

lose lost lost 失去 send sent sent 送

spend spent spent 花费 ;3）其他 A B B型

pay paid paid lay laid laid 下蛋

say said said bring brought brought

buy bought bought think thought thought

sleep slept slept keep kept kept

sweep swept swept stand stood stood

understand understood understood

win won won catch caught caught

shine shone/shined shone/shined