as if讲解及习题.ppt

as if / though 讲解及习题• 1）如果as if/though从句的谓语动作发生在主句谓语动作之前，则从句使用过去完成时had done sth.•如：He talked with me as if he had known me well before.•2）如果主从句谓语动作同时发生，则从句使用一般过去时或过去进行时等•如：He often wastes his money as if he were a billionaire.•3）如果从句谓语动作在主句谓语动作发生时尚未发生，则从句使用过去将来时即would/could do sth.•如：He looked sad as if he would die the next day.•1She ran as if she __ wings on her feet.•A.had B.has C.has had D.is having•A•翻译：她跑起来就好像脚上有翅膀一样•as if引导的方式状语从句可以使用虚拟语气如果主句和从句的谓语动词是同时发生的，则从句使用过去时•此题中的两个谓语动词run和have是同时存在的，所以只需要用一般过去时•过去完成时，表示过去的动作先于主句动词而发生或完成，如：•It was as if he had lost his last friend.•“I remember,” she tells her children now, “how wild his white hair looked——as if it had been electrified.”（）•必须注意，在指过去的动作时，即使主句是现在时，as if 从句中的动词也要用过去完成时：•You look as if you’d seen a ghost. •你好像是见了鬼似的。

•He talks about Rome as though he had been there himself.•他讲起罗马的情况来就好像他亲自到过那里似的。