英语语法虚拟语气的用法_高考语法_高考英语-查字典英语网

　　It looks as if our side is going to win.

　　5.虚拟语气用于主语从句

　　在主语从句中,谓语动词的虚拟语气结构用should+动词原形的结构,表示惊奇、不相信、惋惜、理应如此等。例如:

　　It is necessary(important,natural,de-sirable,advisable,strange,etc.)that we should clean the room every day.

　　It was a pity(a shame,no wonder,etc.)that you should be so careless.

　　It will be desired(suggested,decided,ordered,requested,proposed,etc.)that she should finish her homework this afternoon.

　　在上述三种主语从句中,should意为应该、竟然,可以省去,但不可换用would。主句所用动词的时态不限。

　　注意:这种从句表示的是事实。如果说话人对这种事实表示惊奇,就可用虚拟语气。反之,如果不表示惊奇,that从句也可用陈述语气。例如:

　　It is strange that he did not come yesterday.

　　It is a pity that you cant swim.

　　6.虚拟语气用于定语从句

　　这种从句常用在It is(high)time(that)...句型中,定语从句的谓语动词用过去式,或should+动词原形(should不能省略,be用were)来表示,意为(现在)该。例如:

　　Its time that I went and picked up my little girl from school.

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