Homework:用给出的动词填空,注意要选用正确的助动词和时态.

1.The boy____ the book so soon because it is difficult even to an adult. (read)

2.We___him the news because he knew it already. (tell)

3.If we had taken the other road, we ____earlier. (arrive)

4.I _____you might take this into consideration. (think)

5.You ____ her at the beginning, but now it is too late.(refuse)

请翻译下面几个句子,注意不同助动词的不同语气哦!

1.He may have been writing the paper for months.

2.He must have been writing the paper for months.

3.Can he have been writing the paper for months?

4.Can / Could he have read the book?

5.He may / might have read the book.

6.He should（ought to ）have read the book.

7. He must have read the book.

8.He can't have read the book. 

答案：

1.can't have finished
2.needn't have told
3.might have arrived
4.should have thought
5.ought to have refused

1.He may have been writing the paper for months.
他也许几个月来一直在写论文。

2.He must have been writing the paper for months.
他肯定几个月来一直在写论文。

3.Can he have been writing the paper for months?
难道他几个月来一直在写论文吗？

4.Can / Could he have read the book?
他可能读过那本书吗？

5.He may / might have read the book.
他也许读过那本书。

6.He should（ought to ）have read the book.
他应该读过那本书。

7.He must have read the book.
他一定读过那本书。

8.He can't have read the book.
他不可能（决不会）读过那本书。