高三英语语法知识点精选

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高三英语语法知识点精选

篇1:高三英语语法知识点精选

名词性从句的几个难点

(一)that不可省略的情况

1、主语从句,that从句置于句首时;

2、当一个句子有两个或多个并列的宾语从句时,引导第二和以后几个从句的that不可省略;

3、由it作形式宾语时,that引导的宾语从句中,that不可以省略。

(二)wh-ever与no matter wh-的用法区别

Wh-ever既可引导名词性从句,又可引导让步状语从句;而no matter wh-只能引导让步状语从句。

(三)as if/though, because, why可以引导表语从句

注意:because引导的表语从句,主语不能是reason或cause,而且since,as不能引导表语从句。

(四)that引导的同位语从句与关系代词that引导的定语从句的区别

That引导的同位语从句成分是完整的,that在从句中不担当任何成分;that引导的定语从句成分是残缺的,that在从句中充当主语、宾语或表语。

篇2:高三英语语法知识点精选

as, though, although引导的让步状语从句。

[注意]although位于句首;though位于句首或句中;as位于句中=though。它的词序是把句中强调的形容词、副词、动词或名词放在连词前。[参考倒装结构] 请注意下列句式的变化:

[例句]

1. Although/Though I'm young, I already know what career I want to follow.

→Young as/though I am, I already know what career I want to follow.

我虽然年轻,但我已经明白我应该追随什么样的事业。

2. Although/Though I respect him very much, I cannot agree with his idea.

→Much as/though I respect him, I cannot agree with his idea. 虽然我很尊重他,但是我不同意他的观点。

3. Although/Though he is a child, he knows a lot of Chinese characters.

→Child(省略冠词)as/though he is, he knows a lot of Chinese characters. 他虽然还是个孩子,却认识了许多汉字。

4. Although he tried, he couldn't solve the problem.

→Try as he might, he couldn't solve the problem. 尽管他努力了,但是他没有解决问题。

5. Although it is raining, I'm going out for a walk.

→Raining as it is, I'm going out for a walk. 天虽然在下雨,我还是要出去散步。

6. Strange as it may seem, nobody was injured in the accident. 这次意外虽然显得不可思议,却没有人受伤。

7. Much as I would like to help, I have a lot to do. 虽然我很想帮助你,但是我有很多事要做。

8. Object as you may, I will go. 纵使你反对,我也要去。

篇3:高三英语语法知识点精选

助动词

1)协助主要动词构成谓语动词的词叫助动词。被协助的动词称作主要动词。助动词自身没有词义,不可单独使用。例如:

He doesn′t like English. 他不喜欢英语。

(doesn′t是助动词,无词义;like是主要动词,有词义)

2) 助动词协助主要动词完成以下功用,可以用来:

a. 表示时态。例如:

He is singing. 他在唱歌。(北京安通学校提供)

He has got married. 他已结婚。

b. 表示语态。例如:

He was sent to England. 他被派往英国。

c. 构成疑问句。例如:

Do you like college life? 你喜欢大学生活吗?

Did you study English before you came here? 你来这儿之前学过英语吗?

d. 与否定副词not合用,构成否定句。例如:

I don′t like him. 我不喜欢他。

e. 加强语气。例如:

Do come to the party tomorrow evening. 明天晚上一定来参加晚会。

He did know that. 他的确知道那件事。

3) 最常用的助动词有:be, have, do, shall, will, should, would等。

3 助动词be的用法

1) be +现在分词,构成进行时态。例如:

They are having a meeting. 他们正在开会。

English is becoming more and more important. 英语现在越来越重要。(北京安通学校提供)

2) be + 过去分词,构成被动语态。例如:

The window was broken by Tom.. 窗户是汤姆打碎的。

篇4:高三英语语法知识点

1.I would have told him the answer had it been possible ,but I _____ so busy then.

A.had been B.was C.were D.would be

2.He got word that a delegation_______.

A.soon has arrived B.soon arrived

C.is soon going to arrive D.would soon arrive

3.When you ______,I’ll show you round our campus.

A.will have rested B.rested C.have rested D.will be resting

下面来看看答案:

1.B 此句译为“如果可能的话,我那个时候一定会告诉他答案,但是我那时候很忙”, 空格前面的部分是一个与过去事实相反的虚拟语气,但是.紧接着又使用了转折连词But,这说明后面的部分就不是虚拟的情况了.而是陈述一个事实,而且是过去的事实,那么用一般过去时就可以了,故选项为B.

2.D 很明显是肯定得用一个过去的时态,看主句的got,就可以排A和C,因为他们都是现在的时态,在BD,说话者保证代表团一定马上就到,说明在那时代表团是没有来的,应该用过去将来时,选D。

3.C 此题可以用排除法来做,在昨天的习题中我们已经知道,在时间或条件状语从句中,分句不能用将来时,要用一般现在时代替将来时,那么我们就可以排除AD 两项了,这个题只能选择C项,事情并没有发生,不过能用过去式,排除B。

篇5:高三英语语法精选知识点

名词性从句

一、that 从句

1、主语从句

(1)that从句作主语时,常用it作形式主语,常见的句型有:

It+be+形容词(obvious, true, natural, surprising,good,wonderful,funny,possible,likely,certain,probable,etc.)+that从句

It+be+名词词组(no wonder, an honor, a good thing, a pity, no surprise, etc.)+that从句

It+be+过去分词(said, reported, thought, expected, decided, announced, arranged, etc.)+that从句

(2)that可以省略,但that从句位于句首时,that不能省略。

2、宾语从句

(1)常见的可以接that从句作宾语的动词有see, say, know, imagine, discover, believe, tell, show, think, consider, be sure, be afraid等。在可以接复合宾语的动词之后,如think, make, consider等,可以用it作形式宾语。

(2)That从句一般不能充当介词宾语,偶尔可作except, in 的宾语。

3、表语从句(that不可省略)

4、同位语从句

连词that引导同位语从句时,应在某些抽象名词之后,如:fact, hope, desire, thought, suggestion, idea, news, problem, possibility等,对前面的名词起补充说明的作用,that在从句中不担当任何成分,不能省略。

二、whether/if从句

1、在表语从句和同位语从句中只能用whether不能用if;当主语从句放于句首时,只能用whether不用if;当it作形式主语,主语从句放在句末时用whether或if均可;discuss后引导宾语从句时,必须用whether。

2、在宾语从句中:

(1)及物动词后:whether从句中不能有否定式,宾语从句为否定句时用if;if不能与or not连用,但可以用whether or not;whether后可以加不定式。

(2)介词后:只能用whether,不用if。

三、特殊疑问词引导的从句

1、主语从句:特殊疑问词引导主语从句时,常用it作形式主语。

2、宾语从句

(1)常见的能接特殊疑问词引导的宾语从句的动词有see, tell, ask, answer, know, decide, find out, imagine, suggest, doubt, wonder, show, discuss, understand, inform, advise等。

(2)作介词宾语。

3、同位语从句、表语从句

篇6:高三英语语法知识点

结果状语从句

引导词:so...that(如此。。。以至于。。。),such...that(如此。。。以至于。。。),so that(结果是),with the result that(所以,结果是)

注意:(1)so...that与such...that的区别

So+形容词such+a/an+形容词+单数名词

So+形容词+a/an+单数名词such+形容词+复数名词

So+副词such+形容词+不可数名词

So many/few+复数名词

So much/little+不可数名词

(2)so that引导的目的状语从句与so that 引导的结果状语从句

目的状语从句一般使用情态动词,结果状语从句一般不使用情态动词;

结果状语从句常常用逗号与主句分开。

(3)so...that与so...as;such...that与such...as

So...that/such...that为结果状语从句;so...as/such...as为定语从句。

条件状语从句

引导词:if(如果),unless(除非),if only(只要,但愿),only if(只有),in case(万一),suppose/supposing(that)

(假设),provided/providing(that)(只要,假若),on condition that(要是,在。。。条件下),so/as long as(只要),(let's/let us)say(假设)

方式状语从句

引导词:as(像。。。一样,正如。。。),as if/as though(好像,宛如)

注意:1、固定句型A is to B what C is to D.意为“A对B而言正如C对D一样”。

2、as if, as though引导的从句若与事实相反,用虚拟语气;若与事实相符,不用虚拟语气。

让步状语从句

引导词:though/although/as(虽然,尽管),even if/though(即使,尽管),whether/no matter whether...or(not)

(不管。。。是否,不管是。。。还是)wh-ever/no matter wh-(无论。。。)

注意:(1)though,although,as的区别

A、Though,although的主句中可以用yet, still, nevertheless,但不可使用but。

B、though引导的从句可以倒装,也可以不倒装;as引导的从句必须倒装;although引导的从句不能倒装。

其结构为:形容词/分词/副词/动词原形/名词(无冠词)+as/though+主语+谓语……

(2)though可用作副词,放在句末,意为“不过,但是”。Although无此用法。

(3)某些短语也引导让步的从句或短语,意为“尽管”,如:in spite of the fact that, despite the fact that, regardless of(the fact that)

篇7:高三英语语法知识点

用固定的情态动词表示的虚拟语气

1. should +动词原形(有时省略should)

(1)用在动词如advise, command, demand, desire, insist, order, propose, recommend, request, require, suggest, urge等后的宾语从句中。例如:

1)They requested that we (should) send a delegation to their country.

2)She urged that he write and accept the post.

(2)用在it is suggested, it is desired, it is required, it was ordered, it was proposed, it has been decided, it is necessary (essential, imperative, important, desirable) that等引出的主语从句中。例如:

1)It is desired that we (should) get everything ready by tonight.

2)It is necessary that the teacher (should) have a thorough knowledge of the subject he teaches.

(3)用在suggestion, motion, proposal, order, recommendation, plan, idea, requirement等引起的表语从句和同位语从句

例如:He put his coat over the child lest he should catch cold.

2.用在表示比拟的方式状语从句中

例如:They talked as if they had been friends for years.

3.用在表示虚拟情况的定语从句中

例如:It is high time you handed in your test paper.

4.用在某些表示主观愿望的名词从句中

例1:I wish I were as strong as you.

例2:He insisted that we (should) take up the matter at the meeting.

5.用在婉转的请求、建议、批评等句子中

例1:Could you spare me a few minutes?

例2:You might have told me earlier.

例3:Hadn’t you better go and see you dentist about that tooth?

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高三英语语法知识点精选
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