as if 虚拟语气的用法
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虚拟语气as if的三种用法是什么
1、用于表示与现在事实相反的情况。
当在虚拟语气中,as if用来表示与现在事实相反的情况,其从句应该用一般过去时,不过在虚拟语气中,be动词要用were,就算主语是单数,也用were。
例句:
The rest of the lication should continue as if nothing hened.
程序其它部份应该可以继续像往常一样运行。
2、用于表示与过去事实相反的情况。其中,从句的结构是主语+had+动词的过去分词。
当as if用于表示与过去事实相反的情况,其从句的结构为主语+had+动词的过去分词形式。
例子:
I suggest that you should stay here as if nothing had hened.
我建议你应该呆在这儿,好像什么事情都没发生。
3、用于表示与将来事实相反。
当as if用于表示与将来事实相反,其从句的结构为主语+would/could/might/should+动词原形。
例句如下:
The lady brisked up to him as if she would fight him.
那妇人向他急急而来,好像要跟他动武似的。
as的固定搭配短语
as well as 也;和....一样好;
as long as 只要;长达....之久;
as tall as 和....一样高;
as big as 和....一样大;
as wide as 和....一样宽;
as deep as 和....一样深;
as much as 和....一样多;高达
as far as 远至 ; 就……而言 ; 远到 ; 就;
as clear as day 一清二楚的 ; 明若观火 ; 了如观火 ; 显而易见;
as good as 和…几乎一样 ; 几乎已经 ; 和 ; 不亚于;
as for as 就…而论;
As Early As Possible 尽早 ; 趁早 ; 早早儿 ; 尽快地;