题目内容

根据提示用所给单词的适当形式填空.

1.My mother ________(clean) the house when I came back.

2.He ________(write) the letter to his pen pal since 9 o'clock.

3.How long ________ your uncle ________(be) in the city?

4.I really enjoy ________(play) tennis after school.

5.He said that he ________(return) the book in three weeks.

答案:
解析:

  1was cleaning用过去进行时.强调在过去某一点时间正在做某事.本句句意:当我回来的时候,我妈妈正在打扫房间.

  2has been writing现在完成进行时.强调从9点就一直在写信.本句句意:从9点开始,他就一直在写信.

  3hasbeen现在完成时.本句句意:你舅舅在那个城市住多久了?

  4playing enjoy+doing喜欢做某事.

  5would return过去将来时.一般来说宾语从句中的从句要与主句的时态一致,本句主句是过去时,从句也要是过去时间范畴的时态,又因为书还没有还,需要用将来时,所以这里要用过去将来时结构.


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