高中英语必备的知识点汇总

高中的英语学习难度比较大，我们仅仅利用在课堂上的时光是远远不够的，我们须要在课后投入大量的时间来巩固和完善所学知识。下面是本站小编为大家整理的高中英语知识总结，希望对大家有用!

“It”用法及其句型和固定搭配讲解

"It" 用法及其句型和固定搭配，是高中英语语法的重点、难点，又是近几年高考的热点，因此应给予充分的重视，现将it用法归纳如下：

一、It用作实词

表达以下概念:指代前文提到的事物，前文中的this, that;替代前文中的内容;指代一位性别不明的小孩或未知的人;指代未指明但谈话双方都知道的那件事;指代时间、天气、气候、距离等自然现象……

二、It用作形式主语

替代作主语的从句、动词不定式、动名词，而把真正作主语的从句、动词不定式、动名词置于句尾。

It 作形式主语的常见句型：

1. 代作主语的动词不定式，其句型为

(1) It be adj. (for sb.) to do sth.此处adj. 通常为描述事件的形容词：easy, difficult, hard,necessary, unnecessary, possible, impossible, likely, unlikely, right, wrong,important, unimportant, legal, illegal, well-mannered, ill-mannered, polite,impolite, clear, obvious, certain, suitable, proper, fit, useful, useless,dangerous…

例 It is illegal (for a teenager) to drive a car without a license.

(2) It be adj. of sb. to do sth.

此处adj. 通常为描述人的形容词：kind,unkind,nice,rude,cruel,considerate, thoughtful, thoughtless, careful, careless, silly, foolish,stupid, clever, wise, crazy.

例 It's kind of you to help me with the problem.

(3) It替代作主语的动名词的常见句型

It's no good/use doing…

It's (well)worth doing…

It's (well)worth one's while doing/to do…

It's (well)worth while doing/ to do

例 It's no use crying over spilt milk.

2. It替代作主语的`从句常见句型

(1) It is + noun +从句

例 It is no secret that the president wants to have a second term atoffice.

(2) It is adj. +clause

It's surprising that… (should)………竟然……

It's a pity/shame that…(should)………竟然……

例 It's important that you should apologize to her for your

rudeness.(=It's of much importance that you should apologize to her for your rudeness.)

(3) It verb sb. + clause= It is v-ing + clause

It+surprise/delight/interest/disappoint/worry/disturb/annoy/amaze

/bother/concern/frighten/please/anger sb. that…

例 It worried me that she drove so fast.(= It was worrying that she

drove so fast.)

(4) It verb (to sb.) that…= sb/sth verb to do

(verb = appear, seem, come about, emerge, follow, chance, happen,occur, transpire, turn out , work out)

例 It (so) happened/chanced that they were out.(=They happened/chanced to be out.)

(5) It is v-ed that…=sb/sth is to do

(verb=say, report, think, believe, hope, expect, agree, accept,decide, determine, intend, plan, understand, know)

例 It is said that the couple have gotten divorced.(=The couple are said to have gotten divorced.)

后缀

(1)形容词后缀

-able “可……的，具有……的” acceptable drinkable knowledgeable reasonable

-al“与……有关的” physical, magical, political

-an“属于某地方的人” American African

-ern“方向” southern, northern, eastern

-ful/ less“(没)有……的” helpful, useful, homeless, hopeless

-ish“如……的;有……特征的” foolish childish selfish

-ive“有……倾向的” active attractive expensive

-en“由……制成的” golden wooden woolen

-ous“有(性质)的” famous, dangerous, poisonous

-ly “有……性质的” friendly yearly daily

-y“构成形容词” noisy dusty cloudy

(2)名词后缀

-er / or“表人或用具” farmer, baker, visitor, professor, cooker, container

-ese“某国(人)的” Chinese, Japanese

-ian“某国、某地人;精通……的人” musician, Asian, Russian, technician

-ist“某种主义或职业者” physicist, scientist, communist，socialist

-ess“表女性，雌性” hostess, actress, princess

-ment“行为或其状态” government, movement, achievement

-ness“性质，状态” illness, sadness, carelessness

-tion“动作，过程，结果” invention, organization, translation

-ance/ ence“抽象;行为、性质、状态” importance, appearance, absence, existence

-th“性质、情况” depth, warmth, truth

-ful“(满的)量” handful, spoonful, mouthful

-(a)bility“抽象、性质、状态” possibility, disability, reliability

-al“过程、状态” survival, arrival, approval

-y“性质、情况” modesty, delivery, honesty

-dom“处于……状态;性质” freedom, boredom

-age“状态，行为，身份及其结果” courage, storage, marriage

don v.放弃，抛

ity n. 能力;才能

rmal adj. 不正常的

rd prep. & adv.在(或上)船、飞机、火车等

ish v. 废除

tion n. 流产

ad adv. 到(在)国外

pt adj. 突然的

nce n. 不在，缺席

nt adj. 缺席，不在

lute adj. 绝对的

rb v. 吸收

ract adj. & n. 抽象(的)

rd adj. 荒谬的

dant adj. 丰富的

e v. 滥用，虐待

ss n. & v. 接近，进入

ssible adj. 可接近的，可使用的

dent n.事故，意外的事

mmodation n. 住宿，调节

mpany v. 陪伴

mplish v. 完成，实现

unt n. 账目;描述

untant n. 会计师

mulate v. 积累

racy n. 精确

rate adj. 精确的

se v. 控告

stomed adj. 通常的，习惯的