高中英语语法-虚拟语气全总结21223
虚拟语气在非真实条件句中①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) bynow.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’tsmile4.If it ___Professor Johnson’s recommendation(推荐), I wouldn’t have beenadmitted 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。
(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。
虚拟语气总结
虚拟语气总结虚拟语气是指在表达某种假设、愿望、建议、要求、命令等语境下,表示与事实相反或不确定的情况。
它在语法上通常通过动词的形式、时态或其他语法手段来反映。
在本文中,我们将对虚拟语气进行总结和探讨。
一、虚拟语气形式1. 虚拟语气的主要形式有三种:过去时的虚拟、与过去事实相反的情况下的虚拟和对现在或将来的非事实情况的虚拟。
2. 过去时的虚拟:过去时的虚拟主要用于表示对现在或将来情况的否定假设。
常见的情况包括:与现在相反的假设、对未来的假设、对现在或过去的怀疑等。
例如:“如果我有足够的时间,我会去旅行。
”这里的“我有足够的时间”是一个假设情况。
3. 与过去事实相反的情况下的虚拟:与过去事实相反的情况下的虚拟主要用于表示不可能实现的愿望、建议、要求等。
例如:“要是我会弹吉他,我就能在演唱会上表演了。
”这里的“要是我会弹吉他”是与过去事实相反的假设情况。
4. 对现在或将来的非事实情况的虚拟:对现在或将来的非事实情况的虚拟主要用于表示对现实情况的否定、愿望或命令等。
例如:“如果我是你,我会好好珍惜机会。
”这里的“如果我是你”表示的是一个对现实情况的否定假设。
二、虚拟语气的用法1. 表示假设:虚拟语气常用于表达假设情况。
例如:“要是明天下雨,我们就不去野餐了。
”这里的“要是明天下雨”是条件状语从句,使用的是与现在或将来相反的虚拟语气。
2. 表示愿望:虚拟语气也经常用于表达愿望。
例如:“但愿我能赢得比赛。
”这里的“但愿我能赢得比赛”表示的是希望,但并不一定会实现。
3. 表示建议和要求:虚拟语气还可以用于表示建议和要求。
例如:“我建议你好好休息,不要工作太晚。
”这里的“我建议你好好休息”是对对方的建议。
4. 表示命令和禁止:虚拟语气也可用于表示命令和禁止。
例如:“要求学生们不要在教室里吃东西。
”这里的“不要在教室里吃东西”是对学生们的命令。
三、虚拟语气的注意事项1. 虚拟语气在使用时需遵循一定的语法规则,例如在条件状语从句中,谓语动词需使用过去式的形式。
高中英语虚拟语气的用法归纳
高中英语虚拟语气的用法归纳以下是高中英语虚拟语气的用法归纳:虚拟语气是一种特殊的动词形式,表示假设、愿望、建议、命令、猜测等非真实的情况。
一、基本用法1. 与现在事实相反条件从句:If + 主语 + 动词过去式(be 动词用 were)主句:主语 + would/should/could/might + 动词原形例句:If I were you, I would study harder. (如果我是你,我会更努力学习。
)Wouldn't life be boring if we had everything we wanted? (如果我们想要什么就有什么,生活岂不是很无聊?)2. 与过去事实相反条件从句:If + 主语 + had + 过去分词主句:主语 + would/should/could/might + have + 过去分词例句:If I had known your phone number, I would have called you. (如果我知道你的电话号码,我就给你打电话了。
)Couldn't you have done better if you had tried harder? (如果你再努力些,难道不能做得更好吗?)3. 与将来事实相反条件从句:① If + 主语 + 动词过去式② If + 主语 + were to + 动词原形③ If + 主语 + should + 动词原形主句:主语 + would/should/could/might + 动词原形例句:If it rained tomorrow, we would stay at home. (如果明天下雨,我们就待在家里。
)If she were to come here tomorrow, I would be very happy. (如果她明天来这儿,我会非常高兴。
)If he should fail in the exam, how disappointed his parents would be!(要是他考试不及格,他父母该多失望啊!)二、固定搭配1. wish 后的宾语从句与现在事实相反:从句用一般过去时与过去事实相反:从句用过去完成时与将来事实相反:从句用 would/could + 动词原形例句:I wish I were as tall as you. (我希望我和你一样高。
虚拟语气英语知识点总结
虚拟语气英语知识点总结一、虚拟语气的概念。
虚拟语气是一种特殊的动词形式,用来表示说话人所说的话不是一个事实,而是一种假设、愿望、怀疑、猜测或建议等。
二、虚拟语气在条件句中的用法。
1. 与现在事实相反的虚拟条件句。
- 结构:从句(If + 主语+ 动词的过去式(be动词一般用were)),主句(主语+ would/should/could/might+动词原形)。
- 例如:If I were you, I would study harder.(如果我是你,我会更努力学习。
实际上我不是你)2. 与过去事实相反的虚拟条件句。
- 结构:从句(If+主语+had+过去分词),主句(主语+would/should/could/might + have+过去分词)。
- 例如:If he had taken my advice, he would have passed the exam.(如果他听了我的建议,他就会通过考试了。
实际上他没听建议,也没通过考试)3. 与将来事实相反的虚拟条件句。
- 结构:从句(If+主语+动词的过去式/should+动词原形/were to+动词原形),主句(主语+would/should/could/might+动词原形)。
- 例如:If it rained tomorrow, we would stay at home.(如果明天下雨,我们就会待在家里。
明天是否下雨还不确定,但这是一种假设情况)- 或者If he should come tomorrow, I would tell him the news.(如果他明天来,我就会告诉他这个消息)- 以及If I were to see her tomorrow, I would give her the book.(如果我明天见到她,我就会把书给她)三、虚拟语气在宾语从句中的用法。
1. wish后的宾语从句。
- 表示与现在事实相反的愿望,从句谓语动词用过去式(be动词用were)。
高中英语虚拟语气知识点总结
高中英语虚拟语气知识点总结高中英语虚拟语气知识点总结虚拟语气是英语语法中一种用于描述假设、假想或可能性的语气。
在高中英语中,虚拟语气是一个相当重要的语法知识点。
本文将总结高中英语虚拟语气知识点,帮助学生更好地掌握虚拟语气的使用规则和技巧。
一、虚拟语气的定义及用途虚拟语气指的是表示假想、虚构、愿望、建议等情况的语气。
它强调实现的可能性很小或很远,或者根本就不可能实现。
虚拟语气通常使用“if”引导条件从句或用于表达思想、态度。
虚拟语气的用途主要有以下几个方面:1. 表示假想或虚构情况例如:If I were you, I would not do that.(如果我是你,我不会那么做。
)2. 表示可能性很小或很远例如:If you asked him, he might help you.(如果你问他,他可能会帮你。
)3. 表示愿望、要求或建议例如:I wish I could speak fluent English.(我希望我能说流利的英语。
)二、虚拟语气的形式虚拟语气形式主要有以下几种:1. 虚拟语气的过去式:在虚拟语气中,一般用过去式来表示对现在或未来的虚拟。
例如:If I had more time, I would read more books.(如果我有更多时间,我就会多看书。
)2. 虚拟语气的过去完成式:过去完成式用于表示“如果过去已经发生了某些事情,结果会是怎样”。
例如:If I had studied harder in high school, I would have gone to a better college.(如果我在高中时学习更努力,我就能进入更好的大学。
)3. 虚拟语气的“would + 动词原形”形式:“would +动词原形”形式通常用于表示愿望、要求、建议或者可能性。
例如:I wish you would stop smoking.(我希望你戒烟。
)If you would like to come, you are welcome.(如果你愿意来,欢迎你。
高中英语虚拟语气讲解(很完整的总结)
Subjunctive Mood虚拟语气(1)If I had got there earlier, I would have met Mr. Li.If he hadn’t been warned,he would have taken that food.(2)If he were free, he would help us. If I had money, I would buy the car.If it were not for the expense, I would go abroad now.(3) If he should come/were to come/came here, we would hold the party.If it were to rain tomorrow, the meeting would be put off.1.倒装/省略当虚拟条件句中的谓语动词含有were, should, had时,if可省略,而将were, should, had 等词置于句首。
请改写以上六个例句中符合倒装/省略条件的句子!2.错综时间虚拟条件句。
主从句的动作若不是同时发生时,须区别对待。
①从句的动作与过去事实相反,而主句的动作与现在/将来的事实不符。
If they had informed us, we would not come here now.If you had listened to me, you wouldn’t be in such trouble now.If you hadn’t watched television so late, you wouldn’t be so sleepy now.If I had studied hard at school, I would be a student in the key university now and find a good job after four years.②从句的动作与过去发生的情况相反,而主句的动作与现在正在发生的情况相反。
高考虚拟语气用法归纳
高考虚拟语气用法归纳咱先来说说这虚拟语气啊,对于要高考的同学们来说,那可真是个有点头疼但又特别重要的知识点。
虚拟语气这玩意儿,简单来说,就是假设一些不太真实或者没发生的情况。
比如说,“要是我当时好好学习,现在就不会这么发愁了”,这就是一种虚拟语气的表达。
咱们先瞅瞅条件状语从句中的虚拟语气。
要是与现在事实相反,从句就得用“if +主语+动词过去式(be 动词用 were)”,主句呢,就得用“主语+ would/could/should/might +动词原形”。
就像有个同学跟我抱怨,说:“老师,要是我现在有超能力,一下子就能记住所有单词,那英语考试就不愁啦!”这就是假设了一个现在不可能有的情况。
再说说与过去事实相反的情况。
从句得是“if +主语+ had +过去分词”,主句就得变成“主语+ would/could/should/might + have +过去分词”。
我记得有一次,一个同学考完试后懊悔地说:“哎呀,要是我考试前多做几道数学题,这次就不会错那么多了!”这就是在后悔过去没做的事儿。
还有和将来事实相反的,从句可以是“if +主语+ were to +动词原形;if +主语+ should +动词原形”,主句依然是“主语+would/could/should/might +动词原形”。
想象一下,有同学说:“要是明天世界末日,今天我就啥也不学,尽情玩!”虽然这事儿不太可能,但就是这种假设的虚拟语气。
虚拟语气在宾语从句里也有讲究。
比如说,wish 后的宾语从句,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。
我曾经听到一个同学许愿说:“真希望我现在是个学霸,啥题都会做!”这就是典型的与现在事实相反的虚拟语气表达。
还有在主语从句中,“It is +形容词(或过去分词)+that”结构中,如果形容词或过去分词表示“建议、要求、命令”等,从句的谓语动词要用“should +动词原形”,should 可以省略。
高中虚拟语气详细总结
高中虚拟语气详细笔记用法及动词形式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)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 gotten 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。
虚拟语气归纳-整理版
一、Were 式表示对(过去、现在、将来)客观现实情况的虚拟1. 条件状语从句虚拟语气在if 引导的条从句(条件)主句(目的)件句中的用法三点:表示于现在事实相反的If+ 主语+动词的过去式(be用主语+would(should could 虚拟条件句were)might)+ 动词原型If I were a boy, I think that Icould understand how it feelsto love a girl.表示与过去事实相反的If+ 主语+had+动词的过去分主语+would (should could 拟条件句词might )+have+动词的过去分词I did not see your sister atthe meeting. If she hadcome, she would have metmy brother表示与将来事实相反的If+ 主语+should(were to) +主语+would (could should 虚拟条件句might )+动词原型动词原型/动词的过去式If it were to/ should snowtomorrow, we would put offthe visit to the Great Wall.混合条件句——主从句有时条件从句中的动作与主句中的动作,发生的时间不一致,时间不一致的情况下的这是动作的形式应根据它所表示的时间加以调整。
. 虚拟语气例Had you listened to the doctor, you would be all right now 条件从句中省略if 采用在if 引导的表示虚拟的条件状语从句中,有时可以把虚拟条件倒装语序的情况中的连词if 省去,而将had,should,were 等助动词提到主语之前。
例:原句:If she were younger,she,would do it.去if :Were she younger,she,would do it.有时虚拟条件句并没用if 从句表示出来,而是用介词短语含蓄条件句(without,but for)或连词otherwise,or 或上下文来表示。
高中语法虚拟语气知识点总结
高中语法虚拟语气知识点总结1. 虚拟语气的定义和用途虚拟语气是一种用于表达说话者的愿望、建议、命令、假设、可能性等虚拟情况的语法形式。
它常用于主从复合句中,并带有某些特定的动词、形容词、名词等。
虚拟语气主要有以下用途: - 表达与事实相反的假设、愿望或建议。
- 在间接引语中表示引述内容与事实不符。
- 表达可能性、猜测、推测等与现实不符的情况。
2. 虚拟语气的形式和结构虚拟语气的形式主要包括: - 虚拟语气动词:包括情态动词、动词过去式、动词的特殊形式等。
- 虚拟语气连词:包括if、though、as if、unless等。
虚拟语气在句子中的结构一般为: - 主从复合句中主句为现实情况,从句为虚拟情况。
- 从句中的动词形式常为虚拟语气动词。
- 虚拟语气连词引导虚拟语气从句。
3. 虚拟语气的常见形式和用法3.1 虚拟语气的动词形式常见的虚拟语气动词形式有: - 情态动词should、would、could、might等。
- 动词过去式:常用于wish、if only等引导的句子中。
- 动词的特殊形式:如动词不定式的完成式(to have done)、动词过去分词的完成式(having done)等。
3.2 虚拟语气的使用情况常见的虚拟语气使用情况有: - 虚拟条件句:用于表达与事实相反或不可能实现的条件情况。
常以“if”引导,主句常用情态动词表示愿望、建议、命令等。
- If I were you, I would study harder.(如果我是你,我会更加努力学习。
) - 虚拟假设句:用于描述与事实相反的假设情况,常用过去式表示。
- I wish I had a car.(我希望我有辆车。
) - 虚拟推测句:用于表示对某种情况的推测、猜测,常用情态动词或动词过去式表示。
- He might be late for the meeting.(他可能会迟到会议。
)- 虚拟命令句:用于表示建议、要求或命令,常用should、would等情态动词表示。
