as if 的虚拟语气?

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as if 的虚拟语气?

as if 的虚拟语气?
as if 的虚拟语气?

as if 的虚拟语气?
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.

以连接词as if引导的状语从句(谓语形式与wish后的宾语从句相同,be在第一、三人称可用was或were)(从句与过去相反用had+过去分词,与现在相反用动词过去式,与将来相反用过去式 或would/should+动词原形,或者were to+动词原形)。如:
You speak as if you had really been there.
你说的好像你真的去过那里。

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以连接词as if引导的状语从句(谓语形式与wish后的宾语从句相同,be在第一、三人称可用was或were)(从句与过去相反用had+过去分词,与现在相反用动词过去式,与将来相反用过去式 或would/should+动词原形,或者were to+动词原形)。如:
You speak as if you had really been there.
你说的好像你真的去过那里。
Light often behaves as though it were made of particles.
光的性状,常常有点儿像由粒子组成的。
He spoke to me as if I was(were)deaf.
他跟我说话时就好像我是聋子似的。

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