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五年级上册《Unit 4 Did You Have a Nice Trip Lesson 23 An Email From Li Ming》优秀ppt课件
Jenny:Look!Danny was at Tian'anmen Square,
Kim:What happened?
Danny:I wanted to fly a kite, I hurt my arm and Jenny helped me.
Did Danny buy the toy panda in Beijing?
Find the Past tense verbs:
is/am___was
happen___happened
want____wanted
hurt____hurt
help__helped
火眼金睛找过去式
过去式变化规则
1.规则动词的过去式
一般动词加—ed play--played
以不发音e结尾的加—d live--lived
以辅音加y结尾的，变y为i加—ed study--studied
末尾只有一个辅音字母的重读闭音节，先双写
这个辅音字母，再加—ed stop--stopped
2.不规则动词的过去式
am,is – was are-were go – went do – did have-had see-saw
What did he do yesterday?
Watch TV
Watched TV
He watched TV
yesterday!