高三英语虚拟语气知识点

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高三英语虚拟语气知识1Hnd本库

含蓄条件句中的虚拟语气Hnd本库

有时候,虚拟条件不是通过if引导的条件句来表示,而是暗含在上下文中。Hnd本库

(1)用but for 、without(如果没有)等来代替条件从句。Hnd本库

?Without electricity human life would be quite different.Hnd本库

=If there were no electricity, human life would be quite different.Hnd本库

如果没有电,人类的生活将会有很大不同。Hnd本库

(2)用otherwise、or(or else)、even though等表示与上文的情况相反,从而引出虚拟语气。Hnd本库

?I lost your address. Otherwise, I would have visited you long before.Hnd本库

=I lost your address. If I hadn’t lost your address, I would have visited you long before.Hnd本库

你的地址我弄丢了,要不我早就去拜访你了。Hnd本库

(3)虚拟条件通过but暗示出来。Hnd本库

?He would have given you more help,but he was too busy. 他本来会给你更多的帮助,但是他太忙了。Hnd本库

也就是说,如果那时他不忙,他可以给你更多的帮助。句中but he was too busy实际上暗示了一个虚拟条件——如果那时他不忙。Hnd本库

?He would lose weight,but he eats too much. 他本来可以减肥的,但是他吃得太多了。Hnd本库

也就是说,如果他吃得不多的话,他是可以减肥的。句中的but he eats too much实际上暗示了一个虚拟条件——如果他吃得不多。Hnd本库

高三英语虚拟语气知识2Hnd本库

名词性从句中的虚拟语气Hnd本库

1.用于表示建议、愿望、命令等动词后的宾语从句中Hnd本库

常见的动词有:demand,order,require,insist,suggest,propose,advise,request,urge,command,prefer,desire,recommend等。宾语从句中的虚拟语气结构为"should+动词原形",should可以省略。Hnd本库

?Her mother suggested that she should go and see the doctor.她妈妈建议她去看医生。Hnd本库

【特别提醒】Hnd本库

★ suggest表"暗示",insist表"坚持认为"时不用虚拟语气。Hnd本库

试比较:Hnd本库

?He insisted that I had read his letter. 他坚持说我看过他的信。Hnd本库

?He insisted that I should read his letter. 他坚持要我看他的信。Hnd本库

?He suggested that we (should) stay for dinner. 他建议我们留下吃饭。Hnd本库

?I suggested that you had a secret understanding with him. 我觉得你与他心照不宣。Hnd本库

2.用于主语从句中Hnd本库

常见句型:It is important/necessary/urgent/essential/ ... + that...Hnd本库

It is sb’s order/desire/suggestion/advice/ ... + that...Hnd本库

It is suggested/advised/demanded/requested/ ... + thatHnd本库

从句谓语形式:(should+)动词原形Hnd本库

?It is ordered that the army (should) get there by 4 a.m. 军队必须在上午4点之前到达那里。Hnd本库

?It is necessary that we (should) clean the room every day. 我们每天打扫房间是有必要的。Hnd本库

?It is suggested that the meeting (should) be put off till next week.人们建议会议推迟到下周。Hnd本库

3.用于表语从句和同位语从句中Hnd本库

在suggestion,proposal,order,plan,idea,request,advice等名词后的表语从句和同位语从句中要用虚拟语气,其构成是"should+动词原形",should可以省略。Hnd本库

?His demand is that the boy should go with him.他要求这个男孩和他一起去。Hnd本库

?Our suggestion is that you (should) be the first to go. 我们的建议是你应该第一个去。Hnd本库

?He issued the order that the troops (should) withdraw at once. 他命令部队马上撤退。Hnd本库

高三英语虚拟语气知识3Hnd本库

其他句型中的虚拟语气Hnd本库

1.would rather后的宾语从句中,表示愿望,意为"宁愿;但愿"。用一般过去时表示与现在或将来事实相反;用过去完成时表示与过去事实相反。Hnd本库

?I would rather he had passed the exam.Hnd本库

我宁愿他通过了那次考试。Hnd本库

2.在"It is (about/high) time+that从句"中,谓语动词常用过去式或"should+动词原形"表示虚拟语气,注意should不可省略。Hnd本库

?It’s high time that we devoted ourselves to environmental protection.Hnd本库

是我们致力于环境保护的时候了。Hnd本库

3.as if,as though引导的表语从句和方式状语从句中常用虚拟语气,与现在事实相反用一般过去时;与过去事实相反用过去完成时。Hnd本库

?They talked and talked as if they would never meet again.Hnd本库

他们谈啊谈好像永远不会再见面一样。Hnd本库

4.if only引导的感叹句中,用虚拟语气表示愿望。Hnd本库

?Look at the trouble we’re in.If only we had taken our teacher’s advice!Hnd本库

看看我们所处的困境,要是我们接受老师的建议就好了!Hnd本库

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