虚拟语气属于哪个语法点 虚拟语气的用法归纳




虚拟语气属于哪个语法点 虚拟语气的用法归纳

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用于特殊情况的虚拟语气有:
1、一想要(desire) 一宁愿(prefer) 一坚持(insist)二命令(order , command) 三建议(advise , suggest , propose/recommend) 四要求(demand , require , request , ask)中,无论主句谓语动词为何种时态,从句的谓语动词都用:"should + do" 。should可以省略 。
eg:He suggested that we (should) take the teacher\'s advice.
He insisted that we (should) take the teacher\'s advice.
He demand that we (should) take the teacher\'s advice.
He ordered that we (should) take the teacher\'s advice.
insist意为“坚持某种动作”才用虚拟语气;意为“坚持某种观点,某个事实”则不用虚拟语气 。
eg:
He insists he is a student.
他坚持说他是个学生 。
这个语句表示的是事实,因此在这个语句中不能使用虚拟语气 。
suggest意为“建议”才用虚拟语气,意为“暗示”则不用虚拟语气 。
eg:
His face suggests that he looks worried .
他的表情暗含着他很担心 。
这个句子本身是事实,因此它就没有用到虚拟语气 。

虚拟语气属于哪个语法点 虚拟语气的用法归纳

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2、表情绪.观点的形容词或名词也要用虚拟语气.如:necessary、important、impossible、natural、strange、surprising、funny、right、wrong、better、a pity ,the shame ,no wonder等 。
句型:It is.......that +主语从句,从句的谓语动词常用should+原形且should的省略要看情况而定 。
eg:
Do you think it is necessary that he (should)not be sent to Lingbao.(should表示“建议”的语气,可省 。)
It is strange that such a person should be our friend.(should表示“竟然”的语气,不可省 。)
奇怪的是这样一个人会成为我们的朋友 。
We also use the subjunctive from in that clauses following adjective of urgency.These statements are similar to commands,but they are impersonal and therefore softer.here are some adjectives of urgency:advisable ,best,critical,desirable,essential,imperative,important,necessary,urgent,vital.
eg:
It\'s vital that you make a decision right now . (Impersonal and softer)
Make a decision right now! (Strong)
I insist that you make a decision right now. ( strong)
注:这一点还没有准确的说法,希望善心人能把这点补充完全 。
3、 在even if,even though 所引导的让步状语从句中用may/might+动词原形,may/might可以省略,表示与现 在相反的情况;从句用过去完成时,表示与过去相反的情况,类似的词有though/even
though/whatever/however/so long as; 主句、从句的结构与if所引导的条件从句结构相同 。
eg:
Even if he were here himself,he should not know what to do.
即使他亲自来也不知该怎么办 。(事实:他没来)
Nobody could save him even though Hua Tuo should come here.
即使华佗在世也救不了他 。(事实:华佗不在世)
4、 在whatever,whichever,whenever,whoever,wherever,however,no matter wh-等引导的让步状语从句中,从句虚拟语气结构为:
指现 在或将来:may +do 。
eg:
We will finish it on time no matter what may happen.
不管发生什么事,我们都要按时完成 。
We will find him wherever he may be.
无论他在哪里,我们都要找到他 。
I will wait for him no matter how late he may come.
不管他来的多么晚,我都会等他 。
虚拟语气属于哪个语法点 虚拟语气的用法归纳

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