we did our homework. 我们该做作业了。

5、虚拟语气在简单句中的用法

(1)情态动词的过去式用于现在时态时，表示说话人的谦虚、客气、有礼貌，或委婉的语气，常见于日常会话中。如: It would be better for you not to stay up too late. 你最好别太晚睡觉。

(2)在一些习惯表达中。如: I would rather not tell you. 我宁愿不告诉你。

(3)用"may + 动词原形"表示"祝愿"、"但愿"，此时may须置于句首（多用于正式文体中）。如：May you be happy!祝你快乐！May good luck be yours.祝你顺利。

相关高考试题

1. Eliza remembers everything exactly as if it ____________ yesterday. (2006全国)

A. was happening B. happens C. has happened D. happened

2. ---Don't you think it necessary that he ________ to Miami but to New York?

---I agree, but the problem is ________he has refused to. (2005江苏)

A. will not be sent; that B. not be sent; that

C. should not be sent; what D. should not send; what

3. If I ________plan to do anything I wanted to, I'd like to go to Tibet and travel through as much of it as possible. (2005湖北)

A. would B. could C. had to D. ought to

Keys 1-3 DBB 第二部分：练习

I. Multiple choice

1. We demanded that we __________ of any change in the plan.

A. informed B. would be informed C. be informed D. had been informed

2. It's necessary that he _________ a recognized qualification.

A. has B. have C. had D. having

3. It's high time we ____________ our attention to this problem.

A. turned B. turn C. had turned D. would turn

4. If only you __________ him what I said! Everything would have been all right.

A. didn't told B. hadn't told C. would not tell D. would have not told

5. He must have had an accident, or he____________ here then.