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。
练习、虚拟语气
1. If I ____ where he lived, I ____ a note to him.
A. knew, would B. had known, would have sent
C. know, would send D. knew, would have sent
2. If they ____ earlier than expected, they ____ here now.
A. had started, would be B. started, might be
C. had started, would have been D. will start, might have been
3. I didn't know his telephone number. ____ it, I ____ then.
A. Had I known, would ring him up B. Should I know, would have rung him up
C. If I knew; would ring him up D. Had I known; would have rung him up
4. Mary is ill today. If she _____ , she ____ absent from school.
A. were not ill; wouldn' t be B. had been ill; wouldn't have been
C. had been ill; should have been D. hadn't been ill; could be
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