高中英语语法-虚拟语气全总结
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高中英语虚拟语气语法总结在高中英语语法中,虚拟语气是一个重要的语法点。
在许多情况下,虚拟语气被用于表达假设、愿望和不可能的状态等。
本文将为大家总结高中英语中常见的虚拟语气语法。
一般现在虚拟语气(Present Subjunctive)一般现在虚拟语气通常用于表达虚构的情况或假设的情况。
具体来说,当主句谓语是“would rather”、“it’s time”、“if”、“suppose”、“lest”、以及“as if/though”时,从句中的谓语动词需要使用一般现在虚拟语气。
举个例子: - I would rather he (be) here with me. 我宁愿他现在和我在一起。
(此处的“be”使用了一般现在虚拟语气) - If I (find) his phone number, I would call him. 如果我找到他的电话号码,我就会打电话给他。
(此处的“find”使用了一般现在虚拟语气) - Don’t speak lest she (should) hear you. 不要说话,唯恐她听到。
(此处的“should”是虚拟语气的标志)需要注意的是,虽然一般现在虚拟语气的形式和一般现在时相同,但是在一些情况下,虚拟语气需要加上“should”或“were”等词汇来表示。
过去虚拟语气(Past Subjunctive)过去虚拟语气通常用于表达假设的情况或虚构的情况。
在从句中,虚拟语气的形式由过去式或过去分词构成。
主句通常使用“could”、“would”或“might”等词汇,有时也可以使用过去时态来表示虚拟情况。
举个例子: - If Mary (had) known you were in hospital, she would have come to see you. 如果玛丽知道你住院了,她一定会去看望你的。
(此处的“had”使用了过去虚拟语气,表示假设的情况)需要注意的是,过去虚拟语气的使用非常灵活,要根据实际情况来判断是否使用虚拟语气。
(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。
高考英语语法复习虚拟语气知识讲解一、基础知识(一)什么是虚拟语气谓语动词的作用不仅可以表示动作的时间、状态、假设(情感),也是一种语气(mood)的表现形式,表明说话的目的和意图。
(语气包含陈述语气、祈使语气、虚拟语气、疑问语气)虚拟语气用于表示假设、愿望、建议、命令等非真实或虚拟的情况,即与真实相反。
上学的时候老师经常举的一个例子,"If I were you"因为我不可能是你,这是一种不可能存在的事实,所以这是个虚拟语句。
总而言之英语中的虚拟语气可以分为两大体系:一是表示与事实相反的,或者是假象的情形,通常由if引导,叫做虚拟条件句;另一个体系是在名词从句中使用虚拟语气,表示建议,命令或者要求等语气,类似于上述美剧常用的台词。
(二)虚拟语气的用法这一部分我们主要用虚拟语气在条件句中的用法作为讲解与现在事实相反:If I had a map, I would lend it to you.如果我有地图我就借给你。
(但我没有)与将来事实相反:If I were to do the job, I would do it in a different way. 要是我来做这工作,我会是另一种做法。
(言外之意不是我做这个工作,用虚拟表达是我做这份工作的可能性很低)与过去事实相反:If anything had happened, he would have let us know.如果发生了什么情况,他早就通知我们了。
(所以没事发生)它们的共性都是表示与事实相反或者实现可能性不大3.特殊情况①在极少情况下,从句的谓语动词用原形,主句的谓语动词可用陈述语气(比较官方,正式,大气的说法,口语很少使用)If that be the official view, it cannot be accepted.如果这是官方的看法,这是不能接受的。
②if可以省略,但是语序要改为倒装Were I Tom I would refuse.如果我是汤姆我会拒绝。
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。
高中英语知识点归纳虚拟语气的用法总结高中英语知识点归纳——虚拟语气的用法总结虚拟语气是英语语法中的一个重要部分,它用于表达说话者的愿望、假设、建议或命令等不真实的情况。
在高中英语学习中,掌握虚拟语气的用法对于理解和运用英语语法非常重要。
本文将对虚拟语气的用法进行总结和归纳。
一、虚拟语气的用途虚拟语气用于表现非真实情况或不可能实现的愿望、条件、建议、怀疑、命令、警告等。
主要分为以下几种情况:1. 虚拟条件句:表示与现实相反的情况。
例如:If I were you, I would study harder.(如果我是你,我会更加努力学习。
)2. 虚拟愿望句:表示与现实相反的愿望。
例如:I wish I could go on a vacation.(我希望我能去度假。
)3. 虚拟建议句:表示对现实的建议。
例如:I suggest that he take a break.(我建议他休息一下。
)4. 虚拟命令句:表示对现实的命令或要求。
例如:The teacher requested that all students submit their homework on time.(老师要求所有学生按时提交作业。
)5. 虚拟警告句:表示对现实的警告或威胁。
例如:If you don't stop talking, I will call the police.(如果你不停止讲话,我会报警。
)二、虚拟语气的形式1. 虚拟语气在动词的形态上表现为过去式(一般过去时或过去完成时)。
例如:I suggested that he go to the library.(我建议他去图书馆。
)2. 虚拟语气在动词的形态上表现为"were"而不是"was"。
例如:If I were you, I would apologize.(如果我是你,我会道歉。
)3. 虚拟语气在情态动词的用法上表现为"should" + 动词原形。
高中英语知识点归纳虚拟语气的用法与句型虚拟语气是高中英语中重要的语法知识点之一,它在表达一些假设、条件、愿望、建议等方面起到了关键作用。
本文将对虚拟语气的用法和一些常见的句型进行归纳总结,帮助同学们更好地掌握和运用这一知识点。
一、虚拟语气的基本用法1. 表达与事实相反的假设:通常使用“if”引导,主句使用过去完成时,从句使用过去完成时或过去简单时。
例如:If I had studied harder, I would have passed the exam.如果我学得更努力,我就能通过考试了。
2. 表达对过去情况的虚拟:通常使用“wish”引导,后接过去完成时。
例如:I wish I had gone to the party last night.我希望我昨晚去参加派对了。
3. 表达与现在事实相反的假设:主句使用过去式,从句使用过去完成时或过去简单时。
例如:She would be happier if she had more friends.如果她有更多朋友,她会更开心。
4. 表达对现在情况的虚拟:通常使用“wish”引导,后接过去时。
例如:I wish I were a bird and could fly in the sky.我希望我是一只鸟,可以在天空中飞翔。
5. 表达对将来的不可能或不太可能的情况:主句使用过去式,从句使用过去完成时。
例如:If I were you, I would not go to that dangerous place.如果我是你,我不会去那个危险的地方。
二、常见虚拟语气句型1. 虚拟语气与建议:It is important (necessary, advisable, essential, etc.) that + 主语 + (should) + 动词原形例如:It is necessary that you (should) finish your homework before playing games.你在玩游戏前完成作业是必要的。
高三英语虚拟语气知识点虚拟语气是英语语法中的一种特殊语气,用来表示与事实相反、与现实不一致、或者表达愿望、建议、命令、要求等情态。
掌握虚拟语气的用法对于高三英语考试非常重要。
本文将介绍虚拟语气的常见用法及例句。
一、与现在事实相反的虚拟语气虚拟语气常用于表示与现在事实相反的情况。
以下是一些常见的虚拟语气用法:1. 与现在事实相反的虚拟语气:如果主句是现在时,从句用过去时。
例句:- If I were you, I would study harder.(与现实相反)- I wish I had more time to travel.(与现实相反)2. 表达建议、要求或命令等的虚拟语气:主句用“should”或“ought to”引导,从句用动词原形。
例句:- It is necessary that she should arrive on time.(建议)- He demanded that they leave immediately.(命令)二、与过去事实相反的虚拟语气虚拟语气还可以用来表示与过去事实相反的情况。
以下是一些常见的虚拟语气用法:1. 与过去事实相反的虚拟语气:如果主句是过去时,从句用过去完成时。
例句:- If he had studied harder, he would have passed the exam.(与过去事实相反)- I wish I hadn't eaten so much.(与过去事实相反)2. 表达愿望、建议或命令等的虚拟语气:主句用“should”或“ought to”引导,从句用动词原形或过去时。
例句:- It is high time that he applied for a job.(建议)- I wish he would stop talking.(愿望)三、与将来事实相反的虚拟语气虚拟语气还可以用来表示与将来事实相反的情况。
以下是一些常见的虚拟语气用法:1. 与将来事实相反的虚拟语气:如果主句是将来时,从句用过去完成时。
高中英语知识点归纳虚拟语气的用法虚拟语气是英语语法中的一个重要概念,用于表达虚假、条件或假设等非真实情况。
在高中英语教学中,虚拟语气的用法被广泛涉及。
本文将归纳总结高中英语中常见的虚拟语气用法,以便帮助学生更好地掌握和应用。
一、虚拟语气在条件句中的用法1. 第一类虚拟条件句第一类虚拟条件句表示与现在事实相反的假设情况,即主句谓语动词用一般过去时,条件句用“动词过去式”或“were”。
例句1:If I had more time, I would travel around the world.如果我有更多的时间,我会周游世界。
例句2:If he were here, he would help you.如果他在这里,他会帮助你。
2. 第二类虚拟条件句第二类虚拟条件句表示与过去事实相反的假设情况,即主句谓语动词用“过去完成时”,条件句用“过去完成时”或“动词过去完成式”。
例句1:If I had studied harder, I would have passed the exam.如果我学得更刻苦,我就会通过考试了。
例句2:If she had taken the bus, she wouldn't have been late.如果她坐公交车,她就不会迟到了。
二、虚拟语气在建议、命令和要求中的用法虚拟语气在建议、命令和要求中的用法是表示一种非真实或非直接的语气,用于表达对诉求对象的建议、命令或要求。
例句1:I suggest that he go to bed early.我建议他早点上床睡觉。
例句2:The teacher insisted that the students hand in their homework on time.老师坚持要求学生们按时交作业。
三、虚拟语气在感叹句中的用法虚拟语气在感叹句中的用法用于表达对现实情况的不满或对希望的夸大。
例句1:If only I were a bird and could fly freely in the sky!如果我是一只鸟,能自由地在天空中飞翔该多好啊!例句2:How I wish I had a magic wand to make all my dreams come true!我多希望我有一根魔法棒,让我的梦想都实现!四、虚拟语气在建立条件句中的用法虚拟语气在建立条件句中的用法用于建立一种假设条件,以进一步推断结果。
高中英语语法总结大全-虚拟语气嘉兴英语教学网收集整理欢迎使用高中英语语法总结大全之虚拟语气虚拟语气1)概念虚拟语气用来表示说话人的主观愿望或假想,所说的是一个条件,不一定是事实,或与事实相反。
2)在条件句中的应用条件句可分为两类,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的或实际可能性不大的情况,故采用虚拟语气。
真实条件句真实条件句用于陈述语气,假设的情况可能发生,其中if是如果的意思。
时态关系句型:条件从句主句一般现在时ha/wi动词原形Ifhecome,hewibringhivioin典型例题答案B。
真实条件句主句为将来时,从句用一般现在时。
注意:1)在真实条件句中,主句不能用begoingto表示将来,该用ha,wi错Ifoueavenow,ouarenevergoingtoregretit对Ifoueavenow,ouwineverregretit2)表示真理时,主句谓语动词便不用hawi动词原形,而直接用一般现在时的动词形式。
非真实条件句1)时态:可以表示过去,现在和将来的情况。
它的基本特点是时态退后。
a同现在事实相反的假设。
第1页共6页嘉兴英语教学网收集整理欢迎使用句型:条件从句主句一般过去时houdwoud动词原形Ifthewerehere,thewoudheeeterda,oIdidnottehimaboutit Ifhehadnotbeeniandmiedmancae,hewoudhavemadegreatereea rier,,thecroetoourmeetingtomorrow2)在宾语从句中的应用在表示命令、建议、要求等一类动词后面的从句中。
order,ugget,mand,inithouddoIuggetthatwehoudhoudbeentt here注意:如ugget,init不表示"建议"或"坚持要某人做某事时",即它们用于其本意"暗示、表明"、"坚持认为"时,宾语从句用陈述语气。
高中英语语法-虚拟语气全总结-标准化文件发布号:(9556-EUATWK-MWUB-WUNN-INNUL-DDQTY-KII①错综时间条件句:当条件状语从句表示的行为和主句表示的行为所发生的时间不一致时,被称为错综时间条件句,动词的形式要根据它表示的时间作出相应的调整。
如:If you had followed my advice just now, you would be better now.If you had studied hard before, you would be a college student now.②if省略句在条件句中可以省略if, 把were, had, should提到句首,变成倒装句式。
如:If I were at school again, I would study harder.→Were I at school again, I would study harder.如果我还有上学的机会,我会更加努力学习。
If you had come earlier, you would catch the bus.→Had you come earlier, you would catch the bus.如果你来得早点,你就能赶上公共汽车。
If it should rain tomorrow, we would not go climbing.→Should it rain tomorrow, we would not go climbing.如果明天下雨的话,我们就不能登山去了。
③用介词代替条件状语从句常用的介词有with, without, but for。
如:What would you do with a million dollars (=if you had a million dollars)如果你有100万元,你会做什么?We couldn’t have finished the work ahead of time without your help. (=if we hadn’t got your help)没有你的帮助,我们不可能提前完成这项工作。
Without your help, we couldn’t have finished the work ahead of time.= But for your help, …= If it had not been for your help, …= Had it not been for you help, …没有你的帮助,我们不可能提前完成这项工作。
④含蓄条件句有时在虚拟语气中并不总是出现if引导的条件句,而是通过其他手段来代替条件句。
如:I was ill that day. Otherwise, I would have taken part in the sports meeting. (副词)He telephoned to inform me of your birthday, or I would have known nothing about it. (连词) A man who stopped drinking water would be dead in about seven days. (定语从句)I might have given you more help, but I was too busy. (连词)Everything taken into consideration, they would have raised their output quickly. (独立主格结构)⑤even if, even though也可用于虚拟语气,其形式与if 从句在虚拟语气中的形式相同。
习题1. If my lawyer___here last Saturday, he___me from going.A.had been, would have preventedB.had been, would preventC.were, would preventD.were, would have prevented2. If it___for the snow, we___the mountain yesterday.A.were not, could have climbedB.were not, could climbC.had not been, could have climbedD.had not been, could climb3. Without electricity(电) human life___quite difficult today.A. isB. will beC. would have beenD. would be4. I didn’t see your sister at the meeting, if she___, she would have met my brother.A. has comeB. did comeC. cameD. had come5. When the pencil is partly in a glass of water, it looks as if it___.A. breaksB. has brokenC. were brokenD. had been broken6. He hesitated(犹豫) for a moment before kicking(踢) the ball. Otherwise he___a goal.A. had scoredB. scoredC. would scoreD. would have scored7. ___right now, she would get there on Sunday.A.Would she leaveB.If she leavesC.Were she to leaveD.If she had left8. Had he worked harder, he___the exam.A.must have got throughB.would have got throughC.would get throughD.could get through9. He must have had an accident, or he___then.A.would have been hereB.had to be hereC.should be hereD.would be here10. ___for my illness I would have lent him a helping hand.A.Not beingB.Had it not beenC.Without beingD.Not having been11. We didn’t know his telephone number, otherwise we___him.A.would have calledB.must have telephonedC.would telephoneD.had telephoned虚拟语气(1)复习题1.He ___ you more help, even though he was very busy.A. might have givenB. might giveC. may have givenD. may give2.___ for your laziness(懒惰), you could have finished the assignment(任务) by now.A. Had it not beenB. It were notC. weren’t itD. Had not it been3.If I hadn’t stood under the ladder(梯子) to catch you when you fell, you ___now.A. wouldn’t be smilingB. couldn’t have smiledC. won’t smileD. didn’t smile4.If it ___ Professor Johnson’s recommendation(推荐), I wouldn’t have been admitted to the graduate school(研究生学院).A. were not forB. had not been forC. were notD. had it not been5.If we do not develop a new kind of car, air pollution ___ even more dangerous.A. should have becomeB. will becomeC. would have becomeD. must have become6.But for the stormy weather, we ___ earlier.A. should arriveB. shall arriveC. should have arrivedD. shall have arrived7.If we ___ their terms(条款,条件), we would go bankrupt(破产).A. acceptB. should acceptC. had acceptedD. are to accept8.John would never have gone to the hospital ___ that Tom would be there, too.A. he did not knowB. if had he knownC. had he knownD. he would have known9.Had he been more careful, he ___ that accident.A. would avoidB. would have avoidedC. avoidedD. should avoid10.But that he came to help me, I ___ there earlier.A. could not arriveB. could not have arrivedC. did not arriveD. can not arrive11.She could look more attractive(有魅力的,吸引人的) but she ___ no attention to her clothes.A. paysB. was payingC. paidD. had paid12.If I ___ in his place, I would do that, too.A. wasB. wereC. amD. had been虚拟语气(2)——虚拟语气在名词从句中1.在由suggest, demand, require, request, insist, order, command, propose等表示建议、请求、命令、愿望等动词或其同根词引出的名词从句中,名词从句虚拟句的谓语变化的形式只有一条规律——名词从句虚拟句无论其主句的谓语动词时何种形式,从句的谓语形式均为should+动词原形,其中should可以省去。