注意:insist作力言、强调解时,宾语从句不用虚拟语气。只有当insist作坚持(应该)解时,宾语从句才用虚拟语气。例如:
Mike insisted that he had never stolen anything.
I insisted that you give me my money back.
3.虚拟语气用于表语从句、同位语从句
作advice,idea,order,demand,plan,proposal,suggestion,request等名词的表语从句和同位语从句,其谓语动词要用虚拟语气的结构(should)+动词原形。例如:
We all agreed to his suggestion that we(should)go to Beijing for sightseeing.
My idea is that he (should)do exercises first.
4.虚拟语气用于以as if(as though)引导的表语从句或状语从句
如果从句表示与现在事实相反,谓语动词用一般过去时;表示与过去事实相反,谓语动词用had+过去分词表示与将来事实相反,谓语动词用would(might,could)+动词原形。例如:
He looked at me as if I were mad.
He speaks English so fluently as if he had studied English in England.
It looks as if it might rain.
但as if(as though)后的从句也常用陈述语气,这是因为从句中的情况往往是可能发生的或可能被设想
为真实的。例如:
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