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1、虚拟语气在从句中的运用_虚拟语气 虚拟语气在名词性从句中的运用：A）用于宾语从句中。wish+从句，表示不可能实现的愿望。wish thathad done（过去）wish thatdid/were（现在）wish that would/could do（将来）如：We wish we had arrived there two hours earlier.I wish I were a bird.I wish you could come tomorrow.用于表示建议、愿望、命令等词后的宾语从句中，常见的动词有：suggest,insist,command,advise,desire,or
2、der,request,require,demand that(should)do 例句：We insisted that she(should)go with us.He suggested that we(should)start off early the next day.The doctor ordered that the patient(should)be sent to hospital without delay.They insisted that the boy(should)go with them.注意：当 suggest 表示暗示、表明之意时，不用虚拟语气，应用陈述
3、语气。如：The smile on his face suggested that he was satisfied with out work.当 insist 表示坚持认为之意时，不用虚拟语气，应用陈述语气。如：The man insisted that he had never stolen the money.在 would rather,had better 后的宾语从句中，也用虚拟语气，其构成为动词过去式。如：I would rather they didnt hear of the news.B)用于主语从句中 It is desired/suggested/proposed/n
4、ecessary/important/strange/natural/a pity+that 从句。从句中的谓语动词用 should+动词原形，should 可以省略。如：It is suggested that the meeting should be put off till next week.It is strange that he should have acted toward his parents like that.注：以上句式也可以用陈述语气。如：Its strange that he didnt come yesterday.Its a pity that you c
5、ant dance.C)用于表语从句和同位语从句中。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。如：My idea is that we should think it over before accepting it.We all agreed to his suggestion that we should go to Dalian for sightseeing.气应用陈述语气如当表示坚持认为之意时不用虚拟语气应用陈述语气如在后的宾语从句中也用虚拟语
6、气其构成为动词从句和同位语从句中在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动词原形如三虚拟语气用在等引导句中此句型意为现在该用来表示提议句型中定语从句的谓语动词用过去式或动词原形其中不能省略如五用于引导的感 三、虚拟语气用在 as if(as though),even if(even though)等引导的表语从句或状语从句中。表现在：用过去时；表过去：用过去完成时态；表将来：用过去将来时态。如：He looks as if he were an artist.She speaks English so fluently as if she had studied English
7、in Ameirca.Even if he were here,he could not solve the problem.四、虚拟语气用于定语从句中。It is(high)time(that)（此句型意为现在该，用来表示提议）句型中，定语从句的谓语动词用过去式，或 should+动词原形（其中 should 不能省略）。如：It is(high)time that you went to school.It is(high)time that we should start now.五、用于 if only 引导的感叹句中。If only I were a flying bird!If o
8、nly I had seen the film!六、在含有 If it were not for 或 If it had not been for 条件句的虚拟语气中。If it were not for the rain,the crops would die.If it had not been for your help,we couldnt have finished the work ahead of time.气应用陈述语气如当表示坚持认为之意时不用虚拟语气应用陈述语气如在后的宾语从句中也用虚拟语气其构成为动词从句和同位语从句中在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
9、动词原形如三虚拟语气用在等引导句中此句型意为现在该用来表示提议句型中定语从句的谓语动词用过去式或动词原形其中不能省略如五用于引导的感 七、用于表示委婉语气的句型中。It would be better for you not to do that.Would you be so kind as to show me the way to the railway station?Could you please help me with this heavy bag?八、用于 may+动词原形表示祝愿，may 须置于句首。May you succeed!May you be happy!气应用陈述语气如当表示坚持认为之意时不用虚拟语气应用陈述语气如在后的宾语从句中也用虚拟语气其构成为动词从句和同位语从句中在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动词原形如三虚拟语气用在等引导句中此句型意为现在该用来表示提议句型中定语从句的谓语动词用过去式或动词原形其中不能省略如五用于引导的感