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1、as if从句中的动词时态 as if = as though,其引导的方式状语从句或表语从句中的动词时态,根据不同情况,使用不同的时态。 as if从句中的情况属实或发生的可能性很大时,用。 It seems as if the design for the bridge is satisfactory. (The design for the bridge seems to be satisfing.) It looks as if it is going to rain. (It looks like rain.) as if从句中所设想的情况不是事实,应用虚拟语气。当从句的动作或状态与

2、主句的动作或状态同时发生谓语用过去时。,He looks as if he were a poor man. In fact, he is very rich. She speaks French as if she were a Frenchwoman. I saw the teacher working hard as if she wished every student could go to a university. He raised his hand as if he wanted a taxi. as if从句的动作发生在主句动作之前,从句动作用过去完成时。 He looks

3、 as if nothing had happened to him. His white hair in disorder looked as if he had been electrified.,主句中的动作发生时,as if从句中假设的情况正在发生,从句动作用过去进行时。 His lips moved as if he was practicing speaking English. The sun is shining in the east as if it wasnt showering. as if从句中假设的动作在主句动作后发生,用过去将来时。 She talks and laughs as if she woul

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