详解虚拟语气用法
虚拟语气的常见用法和形式

虚拟语气的常见用法和形式虚拟语气是用来表达非真实、未实现或假设情况的一种语法形式。
在中文和英语中都存在虚拟语气,但在两种语言中的使用方式和形式略有不同。
本文将介绍虚拟语气在英语中的常见用法和形式。
一、陈述虚拟语气1. 表达过去的虚拟虚拟语气的过去形式常用于表示与现实情况相反的假设或可能性,常用动词包括"be"、"have"、"were"等。
例如:- If I were you, I would apologize to her.- I wish I had studied harder for the exam.2. 表达现在的虚拟现在虚拟语气用于表达与现实情况相反或不确定的假设,常用动词包括"be"、"suggest"、"recommend"等。
例如:- It's about time she got a promotion.- I suggest that he be more careful next time.3. 表达将来的虚拟将来虚拟语气用于表达与现实情况相反或不可能实现的假设,常用动词包括"should"、"were to"等。
例如:- If I should win the lottery, I would buy a big house.- If it were to rain, the event would be canceled.二、命令虚拟语气当表示一种命令、建议或要求时,常使用虚拟语气来显得客气或委婉。
例如:- I suggest that you arrive on time for the meeting.- It's important that he be there for the ceremony.三、愿望虚拟语气愿望虚拟语气用于表达对过去、现在或将来的愿望、期望或希望。
(完整版)英语虚拟语气语法归纳总结

(完整版)英语虚拟语气语法归纳总结英语中的虚拟语气是一种表示非事实或想象的语气,用来表达对现实情况的猜测、愿望、要求、建议、命令和反讽等。
虚拟语气主要通过动词的形式和句子的结构来表达。
一、虚拟语气的用法:1.表达建议、要求、命令、禁止:- 主语+动词原形+宾语(动词原形要用动词底形、如be);- 主语+动词原形+that从句(用于表达建议、命令、禁止,动词原形用“should + 动词原形”或用情态动词)。
例句:- It is important that he be present at the meeting.(建议)- I suggest that he should go to the doctor.(建议)- They insisted that he leave the room immediately.(命令)2.表达愿望、请求、要求:-主语+动词过去式;- 主语+would/could/might + 动词原形;- 主语+动词过去式+宾语+should + 动词原形。
例句:- I wish I could fly.(愿望)- I would appreciate it if you could help me.(请求)3.表示虚拟条件:- If条件从句中的谓语动词用过去完成时,主句用would/should/might/could + have + 过去分词;- If条件从句中的谓语动词用过去时,主句用would/should/could + 动词原形。
例句:- If I had known his phone number, I would have called him.(虚拟条件)- If you had listened to me, we could have finished the project earlier.(虚拟条件)4.表达建议、要求、祝愿:- If only内部称述 + 主语 + 过去式。
虚拟语气的用法归纳

虚拟语气是一种特殊的动词形式,用来表达说话人的假设、愿望、猜测、建议等非现实的情况。
虚拟语气在英语中的使用非常广泛,包括情态动词、动词的过去式、过去完成时、be 型虚拟式等形式。
下面我将详细介绍虚拟语气的用法。
一、情态动词的虚拟语气1. 表示现在或将来的假设例如:If I had money, I would travel around the world.2. 表示过去的假设例如:If I had studied harder, I would have passed the exam.3. 表示与现在事实相反的愿望例如:I wish I were rich.4. 表示与过去事实相反的愿望例如:I wish I had studied harder.5. 表示与将来事实可能相反的愿望例如:I wish it would stop raining.二、动词的过去式的虚拟语气1. 表示现在或将来的假设例如:If I knew the answer, I would tell you.2. 表示过去的假设例如:If I had seen the movie, I would have recommended it to you.三、过去完成时的虚拟语气1. 表示过去的假设例如:If I had had more time, I would have finished the work.2. 表示与过去事实相反的愿望例如:I wish I had gone to the party last night.四、be型虚拟式1. 表示现在或将来的假设例如:If I were you, I would take the job.2. 表示与现在事实相反的愿望例如:I wish I were in Hawaii now.五、混合虚拟语气1. 表示过去的假设例如:If I had known that you were coming, I would have met you at the airport.2. 表示与过去事实相反的愿望例如:I wish I had studied harder and passed the exam.六、虚拟语气的特殊用法1. 在某些形容词后面使用虚拟语气例如:It is important that you be on time.2. 在某些名词后面使用虚拟语气例如:It is necessary that he study harder.3. 在某些介词后面使用虚拟语气例如:I am glad that you came.以上是虚拟语气的用法归纳,希望对大家有所帮助。
虚拟语气用法总结(超好)

虚拟语气用法总结(超好)虚拟语气用法总结虚拟语气是英语中的一种语法现象,它用于表达与事实相反、与现实相反或与过去事实相反的假设或愿望。
虚拟语气不仅存在于从句中,也可以出现在主句中。
虽然虚拟语气的用法较为多样,但是掌握其基本规则能够帮助我们更准确地表达自己的意思。
本文将对虚拟语气的用法进行总结和归纳。
一、过去时的虚拟语气1. 虚拟条件句当表示与现实相反的假设或条件时,使用虚拟条件句。
这种句子通常包含一个条件从句和一个结果从句,条件从句使用过去完成时,结果从句使用"would"、"could"或"might"加动词原形。
例如:- If I had studied harder, I would have passed the exam.(如果我当时学得更努力,我就能通过考试。
)- If I had known you were coming, I would have prepared dinner.(如果我知道你要来,我就会准备晚餐。
)2. 虚拟表达愿望或建议当表达与现实相反的愿望或建议时,使用虚拟语气,即将过去时态的动词形式改为"would"加动词原形。
例如:- I wish I were taller.(我希望我更高。
)- She suggested that he take a bus.(她建议他坐公交车。
)二、现在时的虚拟语气1. 虚拟条件句与过去时的虚拟条件句类似,现在时的虚拟条件句也包含一个条件从句和一个结果从句。
条件从句使用"were to"结构或"should"加动词原形,结果从句使用"would"、"could"或"might"加动词原形。
例如:- If I were to win the lottery, I would travel the world.(如果我中了彩票,我会周游世界。
虚拟语气的用法归纳

虚拟语气的用法归纳虚拟语气是英语中一种特殊的句式,它用来表达与事实相反或与实际情况有差别的意思。
它可以帮助我们表达不同形式的否定、虚拟假设、条件、建议、建议等。
本文将对虚拟语气的用法进行归纳,以便更好地理解它。
一、虚拟语气的基本概念虚拟语气是一种特殊的句式,它表示“如果”的意思,即“假如”,“要是”,“如果”,“就好了”,“就像”,“就算”等。
它可以表达不同形式的否定、虚拟假设、条件、建议、建议等。
二、虚拟语气的使用1. 否定形式:如果不,要是不,就算不,就好了不,就像不。
例句:If he didn't come, I wouldn't be here now.2. 条件形式:如果,要是,就算,就好了,就像。
例句:If it rains tomorrow, we'll have to cancel the picnic.3. 虚拟假设形式:如果,要是,就算,就好了,就像。
例句:If I had a million dollars, I'd travel around the world.4. 建议形式:如果,要是,就算,就好了,就像。
例句:If I were you, I would take this opportunity.三、虚拟语气的动词形式1. 一般时态:Should/would/could/might(动词原形)例句:I should go to bed early if I want to wake up early.2. 过去时态:should/would/could/might + have + 动词过去分词例句:I should have gone to bed earlier if I wanted to wake up early.3. 将来时态:should/would/could/might + be going to + 动词原形例句:I should be going to bed early if I want to wake up early.四、虚拟语气的重要点1. 虚拟语气使用在if引导的句子中,即虚拟条件句。
虚拟语气的用法总结

虚拟语气是一种在语法上表示非事实或假设情况的语气。
它常用于表达愿望、建议、要求、命令、假设条件和虚拟情况等。
以下是虚拟语气的用法总结:1. 表达愿望:- 与过去事实相反的愿望:希望+过去式例如:I wish I were there.(我希望我在那里。
)- 对未来的愿望:希望+动词原形例如:I hope it stops raining.(我希望它停止下雨。
)2. 表达建议、要求和命令:- 表达建议:(should) + 动词原形例如:They suggested (that) he should take a break.(他们建议他休息一下。
)- 表达要求:(would) + 动词原形例如:He asked that she would close the door.(他要求她关上门。
)- 表达命令:(should) + 动词原形例如:It is important that you should arrive on time.(你准时到达很重要。
)3. 表达假设条件:- 表示与现在或将来事实相反的假设条件:if + 过去式,would + 动词原形例如:If I were rich, I would travel around the world.(如果我富有,我会周游世界。
)- 表示与过去事实相反的假设条件:if + had + 过去分词,would + have + 过去分词例如:If he had studied harder, he would have passed the exam.(如果他学习更努力,他就能通过考试。
)4. 表达推测和假设:- 推测现在的事实:(should) + 动词原形例如:He is late. He should be stuck in traffic.(他迟到了。
他可能被堵在交通上了。
)- 对过去的推测:(should) + have + 过去分词例如:She has disappeared. She should have left early.(她已经消失了。
虚拟语气的用法总结

虚拟语气的用法总结虚拟语气是一种语法现象,常常用于表达非真实情况、假设情况、愿望意愿等。
在英语中,虚拟语气有两种形式:过去虚拟语气和现在虚拟语气。
下面是对虚拟语气的用法进行总结。
一、过去虚拟语气的用法:1. 表达不可能实现的愿望、欲望或建议:If only + 主语 + 过去完成时(had + 过去分词)例句:If only I had studied harder, I would have passed the exam.(要是我当初努力学习的话,我就能通过考试了。
)2. 表示对过去发生的事情的假设:If + 主语 + had + 过去分词, 主语 + would/could/might + 动词原形例句:If I had taken the bus, I would have arrived on time.(要是我坐公共汽车的话,我本能准时到达。
)3. 表示对与现在事实相反的情况的假设:If + 主语 + 过去式, 主语 + would/could/might + 动词原形例句:If I were you, I would apologize to her.(要是我是你的话,我会向她道歉。
)4. 表达对不可能实现的条件:If only + 过去式例句:If only I had a million dollars.(要是我有一百万美元该多好。
)二、现在虚拟语气的用法:1. 表达建议、命令等正式用法:表达建议:(should +动词原形/动词原形)例句:It's important (that) you should take some rest.(你应该休息一下,这很重要。
)表达命令:(应用“命令式”的虚拟形式)例句:It's vital (that) he be here on time.(他必须准时到达,这很重要。
)2. 表达愿望、要求、建议等陈述式的用法:It's time/It's high time + 过去式例句:It's time you went to bed.(你该去睡觉了,时间到了。
虚拟语气的用法归纳

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。
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虚拟语气虚拟语气用来表示说话人的主观愿望或假想,而不表示客观存在的事实,所说的是一个条件,不一定是事实,或与事实相反。
虚拟语气通过谓语动词的特殊形式来表示。
英语中的语气分为陈述语气、祈使语气、虚拟语气三类。
应用条件在表示虚假的、与事实相反的或难以实现的情况时用虚拟语气,表示主观愿望或某种强烈情感时,也用虚拟语气。
即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。
条件状语从句条件状语从句分类条件句可分为两类,一类为真实条件句,一类为非真实条件句。
非真实条件句表示的是假设或实际可能性不大的情况,故采用虚拟语气。
eg:If he doesn't hurry up, he will miss the bus.如果他不快点,他将错过巴士。
( 真实)If he is free, he will ask me to tell stories.如果他是空闲的,他会要求我讲故事。
(真实)If I were you, I would go at once.如果我是你,我马上就会去。
(我不可能是你。
非真实,虚拟语气)If there were no air, people would die.如果没有空气,人就会死亡。
(不可能没有空气。
非真实,虚拟语气)用法及动词形式1、表示与现在事实相反的情况:从句:主语+过去时主句:主语+should/would/could/might+doeg:1.If I were you, I would take an umbrella.如果我是你,我会带把伞。
(事实:我不可能是你)2.If I knew his telephone number, I would tell you.如果我知道他的电话号码,我就会告诉你。
(事实:不知道)3.If there were no air or water, there would be no living things on the earth.如果没有水和空气,地球上就不会有生物。
(事实:地球上既有空气也有水)4.If I had any money with me, I could lend you some.如果我带钱了,我就会借给你些。
(事实:没带钱)5.If he studied harder, he might pass the exam.如果他再努力些,就能通过考试了。
(事实:没有努力)6.she looked at me as if I had been a stranger.她看我的样子好像我是一个陌生人。
(事实:我并非陌生人)2、表示与过去事实相反的情况从句:主语+had+done主句:主语+should/would/could/might+have doneeg:1.If I had got there earlier, I should/could have met her. 如果我早到那儿,我就会见到她。
(事实:去晚了)2.If he had taken my advice, he would not have made such a mistake. 如果他听我的劝告的话,就不会犯这样的错误了。
(事实:没有听我的话)3、表示对将来情况的主观推测从句:①if+主语+were to do主句:①主语+ should/would/could/might + do②if+主语+did/were ②主语+should/would/could/might+do③if+主语+should+do ③主语+should/would/could/might+doeg:1.If he should come here tomorrow, I would talk to him.如果他明天来这儿的话,我就跟他谈谈。
(事实:来的可能性很小)2.If there were a heavy snow next Sunday, we would not go skating.如果下周日下大雪,我们就不能去滑冰了。
(事实:不知能否下雪)3.If she were to be here next Monday, I would tell her about the matter.如果她下周一来这儿的话,我就会告诉她这件事的始末。
4、有时,虚拟条件句中,结果主句和条件从句的谓语动作若不是同时发生时,虚拟语气的形式应作相应的调整。
这种条件句叫错综条件句。
①从句的动作与过去事实相反,而主句的动作与现在或现在正在发生的事实不符。
eg:If I had worked hard at school, I would be an engineer, too.如果我在学校学习刻苦的话,我现在也会成为一个工程师了If they had informed us, we would not come here now.如果他们通知过我们的话,我们现在就不会来这里了。
②从句的动作与现在事实相反,而主句的动作与过去事实不符。
如:If he were free today, we would have sent him to Beijing.如果他今天有空的话,我们会已经派他去北京了。
If he knew her, he would have greeted her.要是他认识她的话,他肯定会去问候她了。
5、当虚拟条件句的谓语动词含有were, should, had时,if可以省略,这时条件从句要用倒装语序,即把were, should, had等词置于句首,这种多用于书面语。
eg:Should he agree to go there, we would send him there.要是他答应去的话,我们就派他去。
Were she here, she would agree with us.如果她在这儿的话,她会同意我们的。
Had he learnt about computers, we would have hired him to work here.如果他懂一些电脑知识的话,我们已经聘用他来这里工作了。
6、非真实条件句中的条件从句有时不表达出来,只暗含在副词、介词短语、上下文或其他方式表示出来,这种句子叫做含蓄条件句,在多数情况下,条件会暗含在短语中,如without…,but for…等eg:But for his help, we would be working now.要不是他的帮助,我们还会在工作呢。
Without your instruction, I would not have made such great progress.要是没有你的指导,我不会取得如此大的进步。
We didn't know his telephone number, otherwise we would have telephoned him.我们不知道他的电话号码,否则我们就会给他打电话。
7、有时,虚拟条件句中,主、从句可以省略其中的一个,来表示说话人的一种强烈的感情。
①省略从句He would have finished it. 他本该完成了。
You could have passed this exam. 你本能通过这次考试的。
②省略主句If I were at home now. 要是我现在在家里该多好啊。
If only I had got it. 要是只有我得到它了该多好啊。
8.注意,在虚拟语气的从句中,动词be的过去时态一律用were,不用was。
eg:If I were you, I would go to look for him.如果我是你,就会去找他。
各类用法wish 后宾语从句a、表示与现在事实相反的愿望,谓语动词用过去式eg. I wish I had your brains.我希望我有你那样的头脑。
(事实:我根本比不上你)b、表示与过去事实相反的愿望,谓语动词:had+doneeg.: I wish I had known the truth of the matter.我希望我那时就知道这件事情的真相。
(事实:那时还不知道)c、表示将来难以实现的愿望谓语动词:should/would(情态动词)+ 动词原形eg. I wish I should have a chance again.我希望我还能有一次这样的机会。
(事实:很难再有这样的机会了)(注:if only引导的感叹句和as if/as though引导的状语从句也有相同用法)目的状语从句1、在for fear that, in case, lest引导的从句中,若用虚拟语气时,从句谓语为:should + do。
并且should能省略She examined the door again for fear that a thief (should) come in.她又把门检查了一遍,以防盗贼的进入。
He started out earlier lest he (should) be late.他早早的就出发了以防迟到。
2、在so that, in order that所引导的目的状语从句中,从句中的谓语为:can / could / may / might / will / would / should + do。
He goes closer to the speaker so that he can hear him clearer. 他走近说话的人以便能听得更清楚。
He read the letter carefully in order that he should not miss a word. 他把信读得很仔细以便不漏掉一个字。
其他用法1、一想要(desire一宁愿(prefer)二命令(order. command)三建议(advise. suggest. propose/recommend)四要求(demand. require. request. ask.insist)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 demanded 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。