1.They ate some bread for lunch.（改为否定句）They did not eat any bread for lunch.2.They did their homework last night.(改为一般疑问句，并作肯定，否定回答）Did they do their homework last night?Yes they did .NO they didn't3.He lived in china for two years.（对For two years 进行提问）How long has he lived in china ?4.Mr li went to japan by plane(对japan by plane进行提问）How did mr li go to japan?5.He got to the hotel late,so he didn't have lunch.(改为同意句）As he arrivedthe hotel late , he didn't have lunch.6.Therewerefour singers in our band last year.(对FOUR进行提问）How many singers were there in your band last year?
1.didn'teat any2.Diddo they did;they didn't3.How long did live4.How did go5.Because ;reached6.How many全都是考过去时的知识，只要把握好过去时的句型就行了。注意的是动词要变成过去时，过去时考的知识点是要背好过去式的动词就不难了。
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they did/ they didnt3.how long has been4.how did go5.asarrived6.how mamydon't eat anydid ,do,they did.they didn'thow long die he ,livehow did,gobecause ,gothow many
1. They didn't eat any bread for lunch2. Did they do their homework last night? Yes they did. No, they didn't.3.How long did he live in china?4. How did Mr. Li go to japan?5.Because he got the hotel late, he didn't have lunch.6. How many singers were there in your band last year?
