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As iF虚拟语气

1. as if 从句用陈述语气的情况。 当说话者认为句子所述的是真实的或极有可能发生或存在的事实时。如: It sounds as if it is raining. 听起来像是在下雨。 He talks as if he is drunk. 从他谈话的样子来看他是醉了。 2. as if 从句用虚拟...

had been 表示 与过去事实相反, 这里只需要用 were,与现在相反

如果从句是事实就不用虚拟,如果是与事实相反就要虚拟 比如:she was so sad, as if it were the end of the world.(实际上不是世界末日) she looks so tired, as if she has been working for a whole day.(她工作了一整天可能是 事实.

1. as if 从句用陈述语气的情况。 当说话者认为句子所述的是真实的或极有可能发生或存在的事实时。如: It sounds as if it is raining. 听起来像是在下雨。 He talks as if he is drunk. 从他谈话的样子来看他是醉了。 2. as if 从句用虚拟...

as if (though)连接的从句,即可表示对现在、将来时间的虚拟,又可表示对过去时间的虚拟,句型: 主句+as if (though)+ 1.主语+were/过去时 ——〉表示与主句动作同时发生 2.主语+could/would +动词原形——〉表示动作可能在将来发生 3.主语+had+过去分...

我给你重写一遍吧 首先as if和as though是相等的,这里不作区分。 as if 后面的语气和它引导什么句子没有关系。 as if引导的从句可以分为以下几种情况: 1、在look,seem 等系动词后引导表语从句.如: She looks as if she were ten years younge...

as if 的用法 as if 好像,好似 She spoke to me as if she knew me. 她和我说话的神情,好像她早就认识我似的。 (= as though) as if 的用法 一、as if 从句的作用 1. 在look, seem 等系动词后引导表语从句。如: She looks as if she were te...

as if和as though 表示当前不真实不可能或有疑问的事情时,要用虚拟语气。 从句谓语遵循以下三个原则: (1)从句谓语用 were,是对现在的虚拟。 (2)从句谓语用had done ,是对过去的虚拟。 (3)从句谓语用would/could/might+do,是对将来的虚拟。

与现在事实相反或现在情况有所怀疑 用动词过去式 对过去事实进行假设用过去完成式

1.表示与现在事实相反的愿望构成:主语 + wish (that) + 从句主语 + 动词过去式 (be 一律用were)例如:I wish I knew everything in the world.我希望我知道世界上所有的事。I wish that the experiment were a success.我希望这个实验是成功...

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