英语语法:主语从句中的虚拟语气
虚拟语气在从句中的用法
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虚拟语气在从句中的用法1.主语从句中的用法(1)在以 it 为形式主语的复合句中,虚拟语气在主语从句中表示建议、要求、命令等,谓语动词用 should be 型或 be 型虚拟式,在美国英语中常用be 型虚拟式。
如:It ’ s natural that she should do so.她这么做是很自然的事。
It is essential that we should tell her the news.我们有必要告诉她这个消息。
It is important that we should make full use of our mineral resources.对我们来说,充分利用我国的矿产资源是重要的。
It is strange that the result of the experiment should be unsatisfactory.奇怪的是实验结果竟然如此令人不满意。
It is desired that we should get everything ready by tonight.希望一切在今晚准备好。
It was arranged that Mr Sam should go and help Bettie.他们作了安排,由萨姆先生去帮助贝蒂。
(2) 主句的谓语为某些动词的被动语态,常用在It is (was) desired (suggested, settled ,proposed, recommended, requested, decided, etc.) that...句型中。
It is suggested that the question should be discussed at the next meeting.有人建议在下次会上讨论这个问题。
It is vital that he should be warned before it is too late.在还不太晚的时候警告他是非常必要的。
主语从句虚拟语气的用法归纳
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主语从句虚拟语气的用法归纳
1. 嘿,你知道吗,如果主语从句表示的是假设的、非真实的情况,就得用虚拟语气呀!比如说“If I were a bird, I would fly freely.”(假如我是
一只鸟,我就会自由飞翔。
)这不就是在幻想嘛!
2. 哎呀呀,要是主语从句表达的是违背事实的愿望,那可一定要用虚拟语气哦!就好像“I wish I had more time to play.”(我真希望我有更多时间玩。
),现实中时间可没那么多呀!
3. 嘿,想不想知道什么时候主语从句用虚拟语气特别重要呀?像“If he
had studied harder, he would have passed the exam.”(要是他学习更努力些,他就会通过考试了。
)这就是在设想没发生的事情呀,得注意咯!
4. 哇塞,当主语从句是表示建议、要求等的时候,也得用虚拟语气呢!比如“It is necessary that he come here at once.”(他有必要立刻来这儿。
)这多关键呀!
5. 嘿,你觉得主语从句虚拟语气是不是很有意思呀?瞧瞧“If o nly I could go back in time.”(要是我能回到过去就好了。
)这多让人感慨呀!
6. 哈哈,理解主语从句虚拟语气其实不难吧!像这样“It is strange that
he should say so.”(真奇怪他竟然这么说。
)是不是就清楚明白啦!
总之,主语从句虚拟语气虽然有点复杂,但是掌握了规律就会发现很有趣也很有用呀!。
虚拟语气详解及时态
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二、虚拟语气(Subjunctive Mood)1. 主语从句中的虚拟语气主语从句(常用形式主语it 来代替,结构为It is that…)中的虚拟语气主要取决于某些用来表示建议、命令、要求、惊异和失望等的形容词和过去分词,其形式为:(should)+ 动词原形。
常这样用的形容词有:appropriate,advisable,better,desirable,essential,imperative,important,insistent,natural,necessary,preferable,strange,urgent,vital等。
过去分词有:desired, demanded, ordered, requested, suggested, recommended, required 等。
例如:It is essential that you (should) win the voters’ hearts.It was suggested that he (should) join the club activities.2. 表语从句和同位语从句中的虚拟语气在表示建议、命令、主张、目的和愿望等的名词后面的表语从句和同位语从句中谓语动词要求使用虚拟语气。
其形式为:(should)+ 动词原形。
常这样用的名词有:resolution, pray, decision, motion, suggestion, preference, proposal, advice, recommendation, desire, demand, requirement, order, necessity, request, idea 等。
例如:He gave orders that the guests (should) be hospitably entertained. 他下令热情款待这些客人。
His proposal is that we (should) get rid of the bad habits.3. 宾语从句中的虚拟语气1)某些动词后所接宾语从句中的谓语动词要求用虚拟语气,用来表示建议、命令和要求等。
名词性从句中的虚拟语气的用法解析
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名词性从句中的虚拟语气当名词性从句(主语从句、宾语从句、表语从句和同位语从句)中的谓语动词使用了某种特殊形式或者该从句使用了某些具有特定意义的名词、形容词或分词时,可以使用虚拟语气。
1. 主语从句(1) It is important that she (should) cooperate with usIt was unnecessary that he (should) get here so early.He says it is fortunate that she (should) take the first prize.It is strange that he (should) leave without telling us.It is surprising/amazing/pleasing that she(should) win over her mother.在“ it + be + adj. + that clause ”的句型中,形容词表示“必须的”、“重要的”、“适当的”、“自然的”、“不可能的”、“紧迫的”等意义时,主语从句常用虚拟语气。
这类形容词还有advisable, desirable, essential, impossible, natural, possible等。
形容词表示“惊讶的”、“失望的”、“懊悔的”等意义时,主语从句常用虚拟语气。
形容词是dreadful (可怕的),funny等词时,这种句型中的主语从句也可用陈述语气。
( 2) It is ordered that the classroom (should) be kept in order.It is desired that every student (should) obey the school rulesIt is suggested that we (should) start the work at once.表示“命令”、“建议”、“要求”意义的动词,如advise, arrange, demand,propose, recomme nd, request, require等用被动语态时,主语从句要用虚拟语气。
虚拟语气在各种从句中的应用
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虚拟语⽓在各种从句中的应⽤虚拟语⽓在各种从句中的应⽤⼀.在主语从句中,⽤来表⽰惊奇、惋惜、理应如此等,其谓语形式是“(should) + 动词原形”,常⽤于下列三种句型中:1. It is necessary (vital,important, natural, strange, wonderful, proper, right, good, wrong, impossible, etc.) + that -clausee.g. It is important that we (should) master a foreign language.2. It is a pity ( a shame, no wonder, your duty, etc.) + that-clause.e.g. It is a great pity that he should be so careless.3. It is suggested (ordered, proposed, requested, etc.) + that-clause.e.g. It is requested that she should sing an English song.在上述句型的主语从句中,should意为“应该”,“竟然”,可以省去,但不可换⽤would, 主句所⽤的时态不限。
⼆.在宾语从句中1. ⽤于wish后的宾语从句中,表⽰未实⾏的活不可能实现的愿望,汉语可译为“可惜”、“......就好了”、“悔不该......”,“但愿......”等。
B.⽤法:a. 与现在相反的愿望:I wish I were ten years younger.I wish I knew how to drive a car.b. 与过去事实相反的愿望:I wish I had gone to the football match last night.I wish you had been here yesterday.c. 与将来可能相反的愿望:I wish the boys would be quiet.He wishes you would go and visit him.注:1. hope + 宾语从句(陈述语⽓),表⽰的是可能实现的愿望,⽐较:I hope it is true. I wish it were true.2. ⽤于command(命令),insist(坚持要),suggest(建议),propose(建议),order(命令)以及request(恳求),desire(希望)等之后的宾语从句中,表⽰“要求、请求、建议、命令等,其谓语形式是:“should + 动词原形”(should 可省,但不可换⽤would)。
英语语法讲解之——虚拟语气
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虚拟语气:表示动作或状态不是客观存在的事实,而是说话人的主观愿望、假设或推测等。
If I were a bird, I could fly in the air. 如果我是一只小鸟,我就能在空中飞行。
I wish I could pass the examination. 我希望我能通过考试。
May you succeed! 祝您成功!I.状语从句中的虚拟语气一、虚拟语气在if 引导的条件句中的用法:1. 表示与现在事实相反的虚拟条件句。
其句子结构为:从句:If + 主语+ 动词的过去式(be 用were) + ……主句:主语+ would (should, could , might) + 动词原形+ ……If I were you, I would go with him. If the weather were fine, I would go there.If it weren’t snowing, we wouldn’t stay in the house.If it weren’t for your help, we would get into trouble.If they were here, he would be speaking to them now.2. 表示与过去事实相反的虚拟条件句。
其句子结构为:从句:If + 主语+ had +动词的过去分词+ ……主句:主语+ would (should, could, might) + have +动词的过去分词+……If you had taken my advice, you would not have made such a mistake.如果你听了我的劝告,就不会犯这样的错误。
If it hadn’t been for your help, I shouldn’t have finished this work on time.要是没有你们的帮忙,我就不会按时完成了这项工作。
英语复习虚拟语气
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英语复习-虚拟语气一)在主语从句中1. 用于It is advisable/ odd/ desirable/ imperative/ natural/ necessary/ strange/ unusual, etc. + that 引导的主语从句中。
It is highly desirable that a new president (should) be appointed for the college.2. 用于It is desired, it is suggested, etc. +that 引导的主语从句中。
It is urged that he(should) be trained.It is requested thatMr.Wang(should)give a performance at the party.虚拟语气用在It is + 形容词(或过去分词)+ that... .的主语从句中,表示要求,建议,提议,命令,请求等,英国英语中从句的谓语用“should +原形动词(或完成式)构成”,而美国英语中则要求用原形动词。
该句型中常用的形容词或过去分词有:advisable, desirable, essential, important, better, keen, natural, necessary, probable, possible, strange, vital, desired, demanded, requested, suggested, recommended, required 等。
例如:It is necessary that the machine (should) be oiled once a week.It is important that everyone (should) obey the law.It is suggested that you take a walk after supper.在这些形容词前加highly也是可以的单独用好像不多见(二)虚拟语气用于下列动词后的宾语从句中advise arrange move(提议)beg demand deservedesire determine recommend ask insist orderprefer propose requitewish urge suggestsuppose decideI asked that I (should) be allowed to read whatever I liked.She move/ suggested that the meeting (should) be continued after lunch. 如果宾语从句中的动词是否定的,从句后应是not + 动词原形。
虚拟语气的用法归纳
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虚拟语气的用法归纳关键信息项:1、虚拟语气在条件状语从句中的用法2、虚拟语气在宾语从句中的用法3、虚拟语气在主语从句中的用法4、虚拟语气在表语从句和同位语从句中的用法5、虚拟语气在定语从句中的用法6、虚拟语气在状语从句中的其他用法7、虚拟语气在一些特殊句型中的用法11 虚拟语气在条件状语从句中的用法111 与现在事实相反若表示与现在事实相反,条件从句的谓语用过去式(be 动词通常用were),主句谓语用“should / would / could / might +动词原形”。
例如:If I were you, I would take his advice (如果我是你,我会接受他的建议。
)112 与过去事实相反若表示与过去事实相反,条件从句的谓语用过去完成式(had +过去分词),主句谓语用“should / would / could / might + have +过去分词”。
比如:If you had come earlier, you would have caught the bus (如果你早点来,你就赶上公交车了。
)113 与将来事实相反若表示与将来事实相反,条件从句的谓语有三种形式:过去式(be 动词通常用 were)should +动词原形were to +动词原形主句谓语用“should / would / could / might +动词原形”。
例如:If it were to rain tomorrow, we would stay at home (如果明天下雨,我们就待在家里。
)12 虚拟语气在宾语从句中的用法121 wish 后的宾语从句wish 后的宾语从句要用虚拟语气。
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;与将来事实相反,用“would / could +动词原形”。
例如:I wish I were as tall as you (我希望和你一样高。
高中英语虚拟语气用法详解
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⾼中英语虚拟语⽓⽤法详解虚拟语⽓语⽓(mood)也是动词的⼀种形式变化。
这和中⽂中的语⽓是不⼀样的。
它表⽰说话者对所指的动词或状态所持的态度,⽽且,在谓语动词上有所体现,⽽中⽂没有体现。
语⽓可分为三种:陈述语⽓、祈使语⽓和虚拟语⽓。
虚拟语⽓(the Subjunctive Mood)表⽰说的话不是事实,或者是不可能发⽣的情况,⽽是⼀种愿望、建议或与事实相反的假设等。
⼀、虚拟条件句1.主句和从句都与现在事实相反时,从句⽤⼀般过去时,be的形式要⽤were,主句⽤would/could/ should/might+不定式⼀般式。
If I were you, I should not go with him.2.主句和从句都与过去事实相反时,从句⽤过去完成时,主句⽤would/should/could/might+不定式完成式。
If I had tried hard last term, I would have succeeded.3.当主句和从句都与将来事实相反,或指不⼤可能发⽣的事的时候,从句和与现在事实相反的从句时态相同,或⽤should/were to+不定式⼀般式,主句和与现在事实相反的主句相同。
If it rained/were to rain/should rain tomorrow, the match would be put off.4.在使⽤虚拟条件句时,由于语⾔环境的千差万别,各种时间关系混合使⽤是很常见的。
如果逻辑上讲得通,主句和从句的动词时态可进⾏各种各样的搭配。
If it hadn't rained those days, (从句与过去事实相反)1 work would be finished next week. (主句与将来事实相反)2.here wouldn't be any water in the river now. (主句与现在事实相反)⼀、语⽓及其种类1.语⽓(mood)语⽓是⼀种动词形式,表⽰讲话⼈对某⼀⾏为或事情的看法和态度。
虚拟语气详解及时态
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二、虚拟语气(S u b j u n c t i v e M o o d)1. 主语从句中的虚拟语气主语从句(常用形式主语it 来代替,结构为It is that…)中的虚拟语气主要取决于某些用来表示建议、命令、要求、惊异和失望等的形容词和过去分词,其形式为:(should)+ 动词原形。
常这样用的形容词有:appropriate,advisable,better,desirable,essential,imperative,important,insistent,natural,necessary,preferable,strange,urgent,vital等。
过去分词有:desired, demanded, ordered, requested, suggested, recommended, required 等。
例如:It is essential that you (should) win the voters’ hearts.It was suggested that he (should) join the club activities.2. 表语从句和同位语从句中的虚拟语气在表示建议、命令、主张、目的和愿望等的名词后面的表语从句和同位语从句中谓语动词要求使用虚拟语气。
其形式为:(should)+ 动词原形。
常这样用的名词有:resolution, pray, decision, motion, suggestion, preference, proposal, advice, recommendation, desire, demand, requirement, order, necessity, request, idea 等。
例如:He gave orders that the guests (should) be hospitably entertained. 他下令热情款待这些客人。
主语从句中的虚拟语气
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主语从句中的虚拟语气一、“It is was+形容词或过去分词+that……”结构中的虚拟语气在形如“It is was+形容词或过去分词+that……”结构中,使用某些表示愿望、建议、请求、命令、可能、适当、较好、迫切、紧近、重要等形容词后的主语从句的谓语也用虚拟语气;其表达形式为should +动词原形或省略should直接用动词原形美国英语中省去should常用的形容词:natural 自然的, appropriate 适当的,advisable 合适的, preferable 更可取的, better 更好的necessary 必须的, important 重要的, imperative 急需的, urgent 急迫的, essential 本质的, vital 必不可少的probable 很可能的, possible 可能的desirable 极好的advisable合理的,compulsory必须的,crucial紧急的,desirable理想的,essential必要的,imperative迫切的,incredible惊人的,necessary必要的,possible可能的,strange奇怪的,urgent紧迫的;常用的过去分词Past Participle: required 需要的, demanded 要求, requested 被请求的, desired 要求suggested 建议, recommended 推荐orderd 命令1. It is necessary that we should 可省略,下同have a walk now.necessary, should + have 表示有需要去散步was necessary that we should make everything ready ahead oftime.necessary, should + make 表示有必要事先做好准备3. It is required that nobody should smoke here.required, should + smoke 表示要求不要在此抽烟4. It is important that every pupil should be able to understand therule of school.important, should + be 表示重要的是学生都能了解校规5. It's important that we should take good care of the patient.important, should + take 表示重要的是照顾好病人6. It is natural that she should do so. 形容词natural, should+动词原形dois essential that these application forms be sent back as early as possible.这些申请表应尽早地寄回,这是很重要的;is vital that enough money be collected to fund the project.重要的是募集足够的钱,为这个项目提供资金;is desired that weshouldget everything ready this evening.希望我们今晚一切都准备就绪;注:在上述所列形容词后面用that引出的宾语从句中,谓语动词也要用虚拟语气;don't think it advisable that Tom be assigned to the job since he has no experience.汤姆缺乏经验,指派他做这项工作我认为是不恰当的;二、在It is +名词+that…的主语从句中的虚拟语气在It is +名词+that的主语从句中,常用虚拟语气,表示建议、命令、请求、道歉、怀疑、惊奇等;这类名词有:advice ,decision ,desire ,demand ,idea,motion ,order,pity ,preference ,propos al,recommendation ,requirement,resolution,shame,suggestion,surprise,wish,wonder等;⑴、It is my proposal that he be sent to study further abroad.我建议派他去国外进一步学习;虚拟语气用在表语从句或同位语从句中当某些表示建议、请求、命令等主观意向的名词作主语时,其后的表语从句或同位语从句需用虚拟语气,其表达形式为should +动词原形或直接用动词原形;这类名词常见的有:demand 要求, desire 请求,requirment 要求advice 劝告, recommendation 建议,suggestion 建议order 命令necessity 必要地, preference 优先proposal 计划, plan 计划, idea 办法,recommendation以及plan,idea,resolution等;We are all for your proposal that the discussion be put off.我们都赞成你提出的将讨论延期的建议;The suggestion that the mayor present the prizes was accepted byeveryone.由市长颁发奖金的建议被每个人接受;⑴、The advice is that we should 可省略,下同leave at once.名词advice,should + leave 表示加以劝告⑵、My idea is that we should get more people to attend theconference.idea, should + get 表示做出主意⑶、I make a proposal that we should hold a meeting next week.proposal, should + hold 表示做出计划⑷、The judge assented to the suggestion that .Aboth of the criminals will soon be set freedomBsome of the criminals there are of guilt onlyCthe girl was to be paroled in the custody of a welfare societyDthe prisoner be sentenced to death。
高中英语语法系列--虚拟语气讲义
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虚拟语气虚拟语气表示说话人的主观愿望、猜测、建议或与事实不符的假设等,也可以表示可能性较小的情况或不可能发生的情况,而不是客观存在的事实(表示客观事实要用陈述语气)。
虚拟语气是由句中谓语动词的特殊形式表现出来的。
虚拟语气常用于复合句中,也可用于简单句。
比较:If she asks me tomorrow,I shall do it.如果她明天请求我,我会做的。
(陈述语气,说话人认为请求的可能性大)If she asked me tomorrow, I should do it. 假如她明天请求我,我会做的。
(虚拟语气,说话人认为请求的可能性小或不可能请求)1 虚拟语气的用法1-1 虚拟语气用于条件状语从句中1)表示与现在事实相反的情况If I were/was not busy today, I should go with you.如果我今天有空,我会同你一起去的。
If he were/was here,he might talk with you.如果他在这里,他可能会同你谈谈。
If I were you,I wouldn't accept her suggestion.如果我是你,我不会接受她的建议。
If I knew the answer to the question,I should/ would tell you.如果我知道问题的答案,我当然会告诉你。
If we left now, we should/would arrive there in time.如果我们现在就动身,我们会准时到达那里。
If he didn't do exercise every day,he wouldn't be so strong.如果他不每天锻炼,他不会那样强壮的。
If it weren't raining, we would go fishing.要是现在不下雨,我们就去钓鱼了。
2023届高考英语语法:虚拟语气讲义
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虚拟语气虚拟语气表示动作或状态与事实相反,或不可能发生的情况。
一、虚拟语气用于条件状语从句中从句主句与现实事实相反一般过去式(be--were)Should/would/could/might + V原与过去事实相反Had + done Should/would/could/might +have done与将来事实相反过去式;should+V 原;were to + V原Should/would/could/might + V原1. 表示与现在事实相反或不可能发生:条件状语从句:一般过去时(虚拟语气中be→were)主句用:would(should, could, might)+动词原形。
If we had time now, we would read it again.If I were you, I would work hard.2. 表示与过去事实相反或不可能发生:条件状语从句:had+过去分词;主句:would(should, could, might)+have+过去分词。
If he had taken my advice, he would have succeeded in the test.If I had known your telephone number then, I would have called you.3. 表示与将来的事实可能相反或不可能发生:条件状语从句:①一般过去时②should +动词原形③were to+动词原形;主句:would(should, could, might)+动词原形。
If it should rain, the crops would be saved.If it were to snow tomorrow, they would not go out.例句:If there were no subjunctive mood, English ( ) much easier to learn. (B)A. could have beenB. would beC. will beD. would have been(2)省略if的虚拟语气如果从句中含有were/ should/ had时,则可以把这三个词置于句首,省略if.采用倒装语序。
初中英语知识点总结虚拟语气7篇
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初中英语知识点总结虚拟语气7篇篇1虚拟语气是英语语法中的一个重要内容,它主要用于表达与事实或现实不符的情况,或者用于表达一种假设、条件或非真实的情况。
在初中英语学习中,掌握虚拟语气的用法对于提高语言表达能力和写作水平具有重要意义。
一、虚拟语气的构成虚拟语气分为三种形式:虚拟现在时、虚拟过去时和虚拟将来时。
每种形式又可分为简单式、进行式、完成式等。
虚拟语气的构成主要涉及动词原形、动词过去分词和动词现在分词的变化。
掌握这些变化形式是正确使用虚拟语气的关键。
二、虚拟语气的用法1. 条件状语从句中的虚拟语气在表示与事实相反或不太可能发生的条件状语从句中,需要使用虚拟语气。
例如:If I were you, I would study harder.(如果我是你,我会更加努力学习。
)这个句子表达了与事实相反的条件,因此使用了虚拟语气。
2. 宾语从句中的虚拟语气在表示请求、建议、命令等动词后面的宾语从句中,也需要使用虚拟语气。
例如:She suggested that we should start early.(她建议我们早点出发。
)在这个句子中,suggest后面的宾语从句使用了虚拟语气。
3. 主语从句中的虚拟语气在表示惊讶、遗憾、后悔等情绪的主语从句中,可以使用虚拟语气来表达这些情绪。
例如:What a pity it is that he missed the chance!(真遗憾,他错过了这个机会!)这个句子中的主语从句使用了虚拟语气来表达遗憾的情绪。
三、虚拟语气的应用场景1. 表达假设或条件虚拟语气可以用于表达假设或条件,例如在写作文时,可以使用虚拟语气来描述一个假设的场景或条件,以引出自己的观点或论点。
例如:“If I were a bird, I would fly to the sky and look at the world from above.”(如果我是一只鸟,我会飞到天上,从高处俯瞰世界。
虚拟语气的用法总结归纳_英语中的运用讲解
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虚拟语气的用法总结归纳_英语中的运用讲解当一个人说话时欲强调其所说的话是基于自己的主观想法,愿望,假想,猜测,怀疑或建议,而不是根据客观实际,就用虚拟语气。
下面,就让店铺把整理到的关于虚拟语气的用法的资料列出来, 以供大家参考。
虚拟语气在状语从句中的运用虚拟语气在状语从句中的运用除了可以表示条件外,还可以表示比较、结果、目的等。
虚拟语气用于表示条件的状语从句中,一般称为虚拟条件句。
根据时间的不同,虚拟条件句中谓语动词时态的变化可能有三种形式,即现在、过去和将来。
If it did, it would open up its diversity program, now focused narrowly on race and gender, and look for reporters who differ broadly by outlook, values, education, and class.(2001年 TEXT1) 这是一个含有条件状语从句的复合句。
If it did是条件状语从句。
主句中主语是it;谓语动词有两个,分别是would open up...和look for...。
这是一个与现在事实相反的虚拟语气,从句用一般过去时,主句用would+动词原形open up和look for。
参考译文:如果它能注意这个问题的话,它就会拓展其雇员多样化项目,而目前的项目只单纯考虑招收不同种族和性别的员工,去雇佣那些在世界观、价值观、教育背景及社会阶层方面各不相同的记者。
虚拟语气在名词性从句中的运用虚拟语气除了用作状语从句中外,还可以用作主语从句、宾语从句、表语从句、同位语从句等名词性从中。
第一,虚拟语气在主语从句中的运用当it作形式主语,后面用形容词作表语,即在it is + adj.这样的句型中,当描述主语的表语形容词是advisable,critical,crucial,desirable,essential,imperative,important,incredible,inevitable,necessary,recommend,strange,urgent等形容词时,主语从句的谓语动词多用虚拟语气,如果是现在时,谓语动词用should/would +动词原形(should/would经常省略);如果是过去时,则用should/would + have done的形式。
虚拟语气语法讲义10主语从句中的虚拟语气知识点总结-高考英语语法复习
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高中英语语法学习/复习讲义虚拟语气语法知识点讲义10【精讲版·全国通用】主语从句中的虚拟语气知识点总结■ it is important that…类句型中的主语从句用虚拟语气在It is important that...句式中,其中由that引导的主语从句通常用“should+动词原形”这样的虚拟语气,其中的should在美国英语中通常省略。
如:It is important that he work hard. 他用功是很重要的。
It is important that he should know about this. 他必须知道此事。
It’s important that we (should) reply to her letter.回复她的信是重要的。
It is important that we should speah politely. 我们说话要有礼貌,这是很重要的。
注:与本句型相似的还有以下句型:1. it is necessary that…句型:It is necessary that I should return it this morning. 今天早上我就有必要还回去。
It is not necessary that everyone be a scientist. 没有必要使每一个人都成为科学家。
2. it is impossible that…句型:It is impossible that he should go home. 他不可能会回家去。
3. it is essential that…句型:It is essential that the meeting start at eight. 会议务必在8点钟开始。
It is essential that we should tell her the news. 我们有必要告诉她这个消息。
4. it is desirable that…句型:It is desirable that everything should be ready by five o’clock.最好一切在5点前准备就绪。
英语中的虚拟语气用法讲解
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我没必要擦窗户。我兄弟做了
I didn’t need to clean the windows . My brother did it. would have done 本来会去做---我没有足够的钱.否则我会买那本书的.
语气 英语的动词一般可带有三种不同的语气: 陈述语气,祈使语气和虚拟语气。不同 的语气用动词的不同形式(有的还借助 句法形式)来表示。
虚拟语气
虚拟语气的概念
虚拟语气是一种特殊的动词形式,一是用来
表示说话人所说的话不是一个事实,而是一 种假设、猜测、怀疑等(在条件从句中或让步 状语从句中);一是表示说话人的愿望、要求、 命令、建议等 (在宾语从句、表语从句、同位 语从句)。
2.省略句
在条件句中,可省略 if,把were ,had, should 提到 句首,变为倒装句式. If I were at school again, I would study harder. Were I at school again, I would study harder.
If you had come earlier, you would have met him.
A. could b. can C. should D. would
A before 5:30pm. 2. He gave orders that the experiment ____
A. be finished B.will finish C. must be finished
英语语法专项:虚拟语气用法详解及练习(附答案)
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英语语法专项:虚拟语⽓⽤法详解及练习(附答案)虚拟语⽓⽤法详解⼀、条件句中的虚拟语⽓1. 条件句中虚拟语⽓的形式从句中提出⼀种与客观现实不相符或根本不可能存在的条件,主句会产⽣的⼀种不可能获得的结果。
条件句中(1) 将来时的条件句中的虚拟语⽓。
如:If he should go to Qing Hua University, he would make full use of his time. 如果他要上清华⼤学的话,他就会充分利⽤他的时间了。
If he were to come here, he would tell us about it. 如果他要来的话,他会通知我们⼀声。
(2) 现在时的条件句中的虚拟语⽓。
如:If he were free, he would help us. 要是他有空的话,它会帮助我们的。
If he studied at this school, he would know you well. 如果他在这所学校学习的话,它会对你很熟悉。
(3)过去时的条件句中的虚拟语⽓。
如:If I had seen the film, I would have told you about it. 我如果看过这场电影,我会把电影内容告诉你了。
If I had got there earlier, I would have met Mr. Li. 如果我早点到那⼉,我就会会到了李先⽣。
3. 运⽤条件句中的虚拟语⽓时,须注意的⼏个问题(1)当从句的主语为第三⼈称单数时,谓语动词若是系动词be时,可⽤was 代替were。
但在倒装虚拟结构及if I were you, as it were 中,只能⽤were。
如:Were I ten years younger, I would study abroad. 要是我还年轻⼗岁的话,我会去国外学习。
If I were you, I would try my best to grasp the chance. 要是我是你的话,我要尽⼒抓住这次机会。
英语语法:主语从句中的虚拟语气
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【导语】以下英语语法:主语从句中的虚拟语⽓由⽆忧考整理发布,欢迎阅读参考!更多相关讯息请关注⽆忧考! 主语从句中的虚拟语⽓ ⼀、It’s important…类 这⼀类型主要包括It is (was) important (necessary, desirable, imperative, advisable)that. . .句型。
如: It is impossible that he should go home. 他不可能会回家去。
It is necessary that I should return it right now. 我有必要马上把它还回去。
It is important that we should speah politely. 我们说话要有礼貌,这是很重要的。
It is not necessary that everyone be a scientist. 没有必要使每⼀个⼈都成为科学家。
It is imperative that we should practise critidsm and self-criticism. 应当进⾏批评与⾃我批评。
⼆、It’s a pity…类 It is a pity that she should fare so badly. 她竟吃得这么差,真可怜。
It’s a pity that he should be so obstinate. 真遗憾他竟这样倔犟。
It was a pity that you couldn’t come. 你不能来,真是太遗憾了。
It is a pity that she failed the driving examination. 她没通过驾驶考试真是遗憾。
It is his desire that a medical man should stay here. 他希望有⼀个医务⼈员留在这⾥。
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英语语法:主语从句中的虚拟语气
主语从句中的虚拟语气
一、It’s important…类
这个类型主要包括It is (was) important (necessary, desirable, imperative, advisable)that. . .句型。
如:
It is impossible that he should go home. 他不可能会回家去。
It is necessary that I should return it right now. 我有必
要马上把它还回去。
It is important that we should speah politely. 我们说话要
有礼貌,这是很重要的。
It is not necessary that everyone be a scientist. 没有必
要使每一个人都成为科学家。
It is imperative that we should practise critidsm and
self-criticism. 理应实行批评与自我批评。
二、It’s a pity…类
It is a pity that she should fare so badly. 她竟吃得这么差,真可怜。
It’s a pity that he should be so obstinate. 真遗憾他竟这
样倔犟。
It was a pity that you couldn’t come. 你不能来,真是太遗
憾了。
It is a pity that she failed the driving examination. 她
没通过驾驶考试真是遗憾。
It is his desire that a medical man should stay here. 他
希望有一个医务人员留在这里。
三、It’s desired…类
这种主语从句还常用在It is (was) desired (suggested, settled, proposed, requested, decided, etc. ) that...句型。
如:
It is requested that a vote be taken. 建议付诸表决。
It is settled that you leave us, then? 那么你肯定要离开我
们罗?
It was proposed that this matter be considered at the
next meeting. 有人提议这事下次会议再讨论。
It is desired that this rule should be brought to the attention of the staff. 希望这条规则引起全体职员的注意。
【特别说明】
(1) 在现代英语中,有时也可不用虚拟语气而用陈述语气,但初
学者宜慎用。
(2) 在It is amazing (strange, surprising, astonishing, a pity, a shame)以及 I am surprised (sorry) 和I regret等结构后
的that 从句中有时也用should,表示说话人的惊异、懊悔、失望等
情感,常含有“竟然”之意:
It’s strange that he should be so rude. 他竟如此无礼,真
是奇怪。
I’m surprised that he should have failed. 他竟然失败了,
这使我很吃惊。
若不用虚拟语气也能够,则不带感情色彩,比较:
It’s a pity that he failed the exam. 他考试没及格,真是遗憾。
It’s a pity that he should have failed the exam. 他考试竟没及格,真是遗憾。