题目内容

【题目】写出下列动词的过去式。

1.live______

2.is _______

3.have ______

4.do ________

5.are______

6.watch ______

【答案】lived was had did were watched

【解析】

1. live居住,过去式是规则变化,后加ed,故答案为lived

2. is是,过去式是不规则变化,was,故答案为was

3. have有,过去式是不规则变化,had,故答案为had

4. do助动词,过去式是不规则变化,did,故答案为did

5. are是,过去式是不规则变化,were,故答案为were

6. watch看,过去式是规则变化,后加ed,故答案为watched

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