虚拟语气在as if/as though、even if/even though等引导的表语从句或状语从句中,如果从句表示的动作发生在过去,用过去完成时;指现在状况,则用一般过去时;指将来状况则用过去将来时。如:
He did it as if he were an expert.
Even if she were here, she could not solve the problem.
虚拟语气用于定语从句中。
这种从句常用于句型“It is (high)time (that) … ”中,定语从句的谓语动词用一般过去时(be用were)或should + 动词原形,意思是“(现在)该……”。如:
It’s time that I picked up my daughter.
It’s high time we were going.
虚拟语气用在if only引导的感叹句中。如:
If only I were a bird.
If only I had taken his advice.
虚拟语气在一些简单句中的运用。
①情态动词的过去式用于现在时态时,表示说话人谦虚、客气、有礼貌或语气委婉,常出现在日常会话中。如:
It would be better for you not to stay up too late.
Would you be kind enough to close the door?
②用于一些习惯表达法中。如:
Would you like a cup of tea?
I would rather not tell you.
(责任编辑:admin)