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2020年专四语法总结(实用)

2020年专四语法总结(实用)
2020年专四语法总结(实用)

专四语法总结

专四必备语法

一、时态、语态

时态、语态需要掌握的要点:

1.表达将来时的形式:

(1)在时间、条件、让步从句中,一般现在时代替将来时,但要注意区别从句的类型,如:

I’ll tell him when you will ring again。我告诉他你什么时候再来电话。(宾语从句)

比较:I’lltell himwhen you ring again.你再打电话时我告诉他。(状语从句)

(2)在make sure,make certain, see(to it)后的that从句中,谓语动词用一般现在时代替将来时,如:

See to it that you include in thepaper whatever questions theydidn’t know the answerto last time。

(include 不能用will include或其他形式)

2。完成时是时态测试的重点,注意与完成时连用的句

型和时间状语:

(1)by/between/up to/till+过去时

间、since、by the time/when +表示过去发生情

况的从句,主句用过去完成时。如:We had just had ourbreakfast when anold man came to the door....感谢聆听...

Between 1897 and 1919 at least 29 motionpictures in which artificial beingswere portrayed had been produced.

(表示1919年时已发生的情况)

(2)by+将来时间、by the time/ when +谓语动词是一般现在时的从句,主句用将来完成时。如:By the time you arrive in London, we will have stayed in Europe for two weeks.

I hope her health will have improved g reatly by the time we come back nextyear。

(3)by now、since +过去时间、in/during/fo r/over/the past/last few(或具体数字)y

ears/days/months,主句用现在完成时,但在it is +具体时间since/before这一句型中,主句更多的时候

不用完成时。如:...感谢聆听...

The changes that had taken place in air tr

avel during the last sixty years would haveseemed completely impossible to even

themostbrilliant scientists at the turn of the 19th century....感谢聆听...

It is four years since John left school.

(4)在It is the +序数词/形容词最高级+that

的定语从句中,谓语动词常用现在完成时。如:

It isn't thefirst time that I have found myself in anembarrassing situa tion.

(5)在no sooner…than…,hardly/scarcely…when…句型中,主句常用过去完成时。

3。完成进行时指动作在完成时的基础上还要继续下去。如:

The company has been promising a

rise in salary for ages, but nothing hashappened.

时态、语态答题思路:

(1)先根据选项的区别点确定考题要点为时态,然后回到题句中寻找给出的或暗示的时间状语,缩小选择范围,进而选出正确答案;

(2)根据谓语动词与句子主语或非谓语动词与其逻辑

主语的关系,确定句子是主动语态还是被动语态。

二、不定式

1。不定式做主语

(1)引导逻辑主语的介词:不定式的逻辑主语一般由介词for引导,但下列表示人的性格行为特征的形容词做表语时, 不定式的逻辑主语则由of引导:

absurd, bold, brave, courageous, careful, careless, clever, wise, foolish, s illy, stupid,good, nice,kind, thoughtful, considerate, greedy, genero us,honest,modest,polite, rude, cruel,selfish,lazy, wicked,wrong。如:...感谢聆听...

Expertssay walkingis one ofthe best ways for a person to stayhealthy。

It’sclever ofyou tohave invented such a device。

(2)不定式做主语补足语:

掌握常用不定式做主语补足语的句型。注意不定式表示的动作发生的时间,并采用相应形式。如:

be said / reported /thought / believed / known / supposed + to do sth。

2.不定式做宾语

掌握要求接不定式做宾语的动词:

afford, arrange, attempt,claim, desire, determine, expect, fail, guarantee, endeavor, intend,pledge, pretend,

resolve, request, swear,tend,vent ure。如:...感谢聆听...

Even though the childrenpretended

to beasleep, the nurses were not dece ivedwhenthey cameintothe room. 3.不定式做定语

(1)被修饰的名词前有序数词、形容词最高级或next, last, only, not a, the, very等限定词时,该名词用不定式做定语。如:the first woman to

set foot on the moon 第一个登上月球的女性

(2)如果其动词要求不定式做宾语,相应的名词一般用不定式做定语。如:

tendency todo→tend to do, decision to

do→decide to do

Thisbook is an attempt to help you

use English and recognize how it is used.

(3)如果其形容词形式要求接不定式做补语,相应的

名词一般用不定式做定语.如:

ambition to do “干……的雄心”→be ambit iousto do“有雄心干……"

curiosity to do“对……的好奇心"→be curious todo“对……好奇"

ability to do“做……的能力”→able to do“有能力做……"

According to Darwin, random changes that enhance a species' ability to survive are naturally selected and passed on to succeeding generation....感谢聆听...

(4)表示方式、原因、时间、机会、权利等名词用不定式做定语,这些名词包括:

way, method,reason,time, place, chance, occasion,opportunity,evidence,power, right, movement, drive(运动),ef fort等.如:I worked so late in the office last night that I hardly had time to catch t he last bus....感谢聆听...

We appreciate your efforts to bringabout a comprehensive solution to the exi sting problem.

(5)不定代词something, nothing, little,much, a lot习惯上用不定式做定语。如:

Though we have made great progress,there isstill much to be improved。

4.不定式做状语

不定式做状语主要表示目的、程度、结果、方式。

(1)in order to(do), so as to(do)结构

引导目的状语,so as to不能置于句首。如:

(2)so…as to,such…as to, enough…to, too…to结构做程度状语。如:

The solution works only for couples who are self-employed,don’thave small children and get alongwell enough to spend most of theirtime together....感谢聆听...

The vocabularyand grammatical differ ences betweenBritish and AmericanE

nglish are sotrivial and fewas hardl

y tobe noticed。

(3)不定式做结果状语只能出现在句子的末尾,表示不愉快的结果,有时用only加强语气。

常见的不定式动词有find, hear, see, betold, form, give,make,produce等。如:

最新完整版专四英语语法考点分析解析

语法考点之一:虚拟语气 考点1. If从句中的虚拟语气 1、与过去事实相反:从句sb had done,主句sb would(should, could, might)+ have done; 2、省略if,从句的语序用到装,即将were, had或should移至主语的前面,但否定词not不前移。 3、与将来事实相反:从句sb did (should+do或were+to do),主句sb would (should, could, might)+do。 4、错综条件句:主句与从句的动作发生在不同的时间段。 比如:从句对过去虚拟,而主句对现在虚拟,即从句sb had done,主句sb would(should, could, might)+do; 考点2:表示建议、要求、命令等动词如insist, order, command, suggest, advise, propose, ask, require, request, demand引导的从句及it引导的相应的分词、名词和形容词从句,谓语用(should)+动词原形。 考点3:It is +advisable, essential, important, imperative, incredible等从句,谓语用(should)+动词原形。考点4:it is (high/about) time that的结构中,从句使用一般过去式。例如: 考点5:much as"尽管,虽然"引导让步状语从句,从句中用would have done表示假设。 考点6:if only, wish, as if/as though引导从句, 与过去事实相反:had + done; 与现在事实相反:动词过去式; 与将来事实相反:could/would + do 考点7:would rather/sooner从句中 使用一般过去式或过去完成式 分别表示对现在或过去的虚拟 考点8:lest / for fear that+(should ) +原形动词。 语法考点之二:情态动词 *情态动词: will(愿意), shall(将), must(必须), can, may, would, should (应该), might, could, ought to, used to(过去常常), need(需要), dare(竟敢),have to(不得不) 考试中,情态动词部分重点测试以下内容: (1)情态动词+行为动词完成式(表示推测) (2)某些情态动词的特殊用法 考点1. 情态动词+have+过去分词结构表示推测 (1) must have done表示推测过去某事“一定”发生了。否定形式为:can’t / couldn’t have v-ed, 表示过去不可能发生某事。 (2) could have done表示推测过去某动作“很可能”发生了。 (3) may / might have done 表示推测过去某事“也许”发生了. (4) ought to / should have done 和ought not to / shouldn’t have done用于对已发生的情况表示“责备”、“不满”,分别表示“本应该…”和“本不应该…” (5) needn’t have done 表示过去做了某事,但没有做的必要,意为“本没必要…”。 *did not need to do 动作并没发生。

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英语专四语法总结

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English英语专八专四学习复习资料 英语专四语法重点汇总 版权所有,违者必究,未经协议授权,禁止下载使用。 注:如恶意泄漏该资料,或通过该资料作为任何盈利的手段,作者有权追究其法律责任。 本资料为过来人的考试经验所整理,也需结合其他复习书籍一起备考哦 这份资料集结历年专四的考试重点,按考试经验已经过筛选 一、非谓语动词的主要考点 1. 有些典型动词后面可以接上不定式或动名词来做宾语的,但是在意思上是有区别的,主要常考到的动词罗列如下: mean to do想要(做某事)VS mean doing意味(做某事)propose to do 打算(做某事)VS propose doing建议(做某事)forget to do忘记(要做的事)VS forget doing忘记(已做的事)remember to do记得(要做某事)VS remember doing记得(做过)go on to do继而(做另一件事)VS go on doing继续(做原来的事)stop to do停下来去做另一件事VS stop doing停止正在做的事regret to do(对将要做的事)遗憾VS regret doing(对已做过的事)后悔 2. 不定式的习惯用法 典型句型整理如下: 如:“cannot help but do”——“不得不做某事” 如:“cannot but do”——“不禁做某事” 如:“cannot choose but do”——“不由自主地做某事” 如:“can do nothing but do”——“不能不做某事”

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