动词过去式
规则过去式例：
1.+ed show showed look looked
2.+d live lived like liked
3.y变i+ed study studied cry cried
4.双写+ed slip slipped stop stopped
曾经5不规则过去式
1.am,is came
2.are were 26.become became
3.do did 27.put put
零钱包4.can could 28.cut cut
5.have ad read
< went 30.wear wore
7.take took 31.leave left
雪的散文8.e saw 32.drive drove制作简历
< got 33.stand stood
11.lo w grew
12.make made 36.know knew
13.give met
14.sit ach taught
15.swim swam 39.eat ate
16.sing sang 40.speak spoke
17.drink drank 41.keep kept
换手率计算公式
18.write wrote 42.sweep swept
19.bring brought 43.sleep slept
竹扇20.fly flew 44.find found
未解之谜21.catch caught 45.buy bought
纸盒制作小房子22.fall fell
23.think thought
24.say said
