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• (2)They were in Li Yan’s home last night. • → Were they in Li Yan’s home last night? • (普通疑问句) • →Yes, they were. (必定回答) • →No, they weren’t. (否定回答)
否定句: →They didn’t swim in the lake yesterday.
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普通过去时否定句练习
必定句: They made a kite a week ago. 否定句:They didn’t make a kite a week ago.
必定句: He was ill yesterday. 否定句:He was not ill yesterday.
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规则动词
regular verbs
不规则动词
irregular verbs
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规则动词 过去式组成
5/28
1、普通在动词末尾加– ed
look Walk paint play
look ed Walked painted play ed
(掌握)
clean Visit Want cough watch
24/28
2. Ann did her homework yesterday evening.
普通疑问句: Did Ann do her homework yesterday evening?
必定/否定回答: Yes, she did. No, she didn’t.
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• 3. I read an English book last week.
am, is are do