实用高二英语考试必考语法归纳精彩4篇
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. 常用前缀【第一篇】
anti-(antipollution)
auto-(automobile)
co-(cooperate)
dis-(dishonest)
en-(enjoy)
in-(incorrect)
il-(illegal)
im-(impossible)
ir-(irregular)
inter-(international)
mis-(misunderstand)
multi-(multinational)
non-(nonsmoker)
out-（outnumber数量上超过）
over-(overwork)
post-(postwar)
pre-(preview) /re-(review) aero-(aeroplane)
sub-(subconscious)
super-(superstar)
tele-(telephone)
un-(unlock)
de-(decrease)/in-(increase)
mini-(miniskirt)
semi-(semicircle)
self-(self-control, self-tauht)
kilo-(kilometre)
高二英语会考知识点【第二篇】
主语从句是在复合句中充当主语的从句，通常放在主句谓语动词之前或由形式主语it代替，而本身放在句子末尾。
1、 It 作形式主语和it引导强调句的比较
It 作形式主语代替主语从句，主要是为了平衡句子结构，主语从句的连接词没有变化。而it引导的强调句则是对句子某一部分进行强调，无论强调的是什么成分，都可用连词that。被强调部分指人时也可用who/whom。例如：
a) It is a pity that you didn’t go to see the film. 你不去看那场电影真可惜。
b) It doesn’t interest me whether you succeed or not. 我对你成功与否不感兴趣。
c) It is in the morning that the murder took place. 谋杀案是在早上发生的。（强调句型）
d) It is John that broke the window. 是John打碎的窗户。（强调句型）
2、 用it 作形式主语的结构
（1） It is + 名词 + 从句
It is a fact that … 事实是…
It is an honor that …非常荣幸
It is common knowledge that …是常识
（2） It is + 形容词 + 从句
It is natural that… 很自然…
It is strange that… 奇怪的是…
（3） It is + 不及物动词 + 从句
It seems that… 似乎…
It happened that… 碰巧…
It appears that… 似乎…
（4） It + 过去分词 + 从句
It is reported that… 据报道…
It has been proved that… 已证实…
It is said that… 据说…
3、 主语从句不可位于句首的五种情况：
(1)if 引导的主语从句不可居于复合句句首。
(2)It is said /reported…结构中的主语从句不可提前。例如：
正确表达：It is said that President Jiang will visit our school next week.
错误表达：That President Jiang will visit our school next week is said.
(3)It happens/occurs…结构中的主语从句不可提前。例如：
正确表达：It occurred to him that he failed in the examination.
错误表达：That he failed in the examination occurred to him.
(4)It doesn’t matter how/whether …结构中的主语从句不可提前。例如：
正确表达：It doesn’t matter whether he is wrong or not.
错误表达：Whether he is wrong or not doesn’t matter.
（5）含主语从句的复合句是疑问句时，主语从句不可提前。例如：
正确表达：Is it likely that it will rain in the evening?
错误表达：Is that will rain in the evening likely?
4、 what 与that 在引导主语从句时的区别
what 引导主语从句时在句时在从句中充当句子成分，如主语。宾语。表语，而that 则不然。例如：
a) What you said yesterday is right.
b) That she is still alive is a consolation
.常用后缀【第三篇】
-ability(capability)
-ibility(possibility)
-al（national a./arrival n.）
-an(Eropean)
-ian(musician)
-arian(vegetarian) -ee(employee)/-er(employer)
-or(actor) /-ss(actress)
-ar(scholar)
-hood(neighborhood)
-ist(artist)
-ese(Chinese)
-ness(kindness)
-y（difficulty n./noisy a.）
-ty(safety)
-ity(activity)
-th(wealth)
-ence(different—>difference)
-ance(ignorant—>ignorance) -dom(freedom)
-ation(invite—>invitation)
-tion(pollution)
-sion (discussion)
-ing(swimming)
-ure(failure)
-ment(development)
-age(marry—>marriage)
-ship(friendship, kingship)
-ism(socialism)
-ful(useful)
-ive(act—>active)
-ous(poisonous)
-ly(friendly，quickly)
-some(troublesome)
-en（wooden a./sharpen v.） -able(believable)
-ible(responsible)
-ize (modernize)
-ward（backward ad.）
-ify(beautify)
Unit Two
Word Formation
(Conversion & Compounding)
(1)v./n.
try, visit, work, search, guess, request, demand, change, swim, look, wash, seat, interest, aim, shout, kick, cry, desire, doubt, love etc.
(2)a./ad.
long, back, straight
(3)a./n.
wrong, good, right
（1）
homework, sunrise, headache, background, downtown, someone, nothing
（2）
guide-book,warm-hearted, well-known,good-looking, air-conditioned, left-handed
（3）
folk song, water pipe, dining room, post office
Unit Three
The Structure for Emphasis
The Emphatic –It
It+be+被强调成份+that/who…
Eg:
went to the theatre with Jane last Sunday.
->It was Bob that/who went to the theatre with Jane last Sunday.
-> It was with Jane that Bob went to the theatre last Sunday.
-> It was to the theatre that Bob went with Jane last Sunday.
->It was last Sunday that Bob went to the theatre with Jane.
高二英语语法知识点【第四篇】
一、不定式做主语：
1、不定式做主语一般表示具体的某次动作。===动名词doing 表示习惯的，经常的动作。
: To finish the building in a month is difficult.
To do such things is foolish.
To see is to believe. (对等)
注： 1). 不定式作主语时，谓语用单数
2). 当主语较长，谓语较短时，常用it做形式主语，而将不定式放到谓语的后面。
it做形式主语，不定式放在谓语动词之后常用于下列结构中：
(1)It is/was +adj.+of sb. to do…
(2) It is +adj.+for sb.+to do…
It is easy / difficult / hard / foolish / unwise / right / wrong / unnecessary
(3) it is +a +名词+ to do...
It is a pity / a pleasure / a pleasant thing / one’s duty / an honor / a shame / a crime / no easy job… to do
It takes (sb.) some time / courage / patience …to do…
It requires courage / patience / hard work… to do…
注意： probable 和 possible 均可作表语，但possible可以用不定式作真实主语， 而probable不能用不定式作真实主语。
It is probable for him to come to the meeting.(错)
It is possible for him to come to the meeting.
It is possible / probable that he will come to the meeting.
二、不定式做表语
主语是以aim duty hope idea intention plan job suggestion wish purpose task 等为中心词的名词词组 或以 what 引导的名词性从句表示，后面的不定式说明其内容， 不定式作表语常表示将来或现在的动作或状态。
eg :My idea is to climb the mountain from the north.
Your mistake was not to write that letter.
What I would suggest is to start work at once.
三 、动词不定式作宾语
以不定式结构为宾语的动词有：
ask, agree, care, choose, demand, decide, expect, fail, help, hope, learn, manage, offer, plan, prepare, pretend, promise, refuse, want, wish等只能用动词不定式作宾语
口诀(接不定式作宾语的动词)
想要学习 早打算( want learn plan)
快准备 有希望( prepare hope wish expect)
同意否 供选择(agree offer choose)
决定了 已答应(decide be determined promise)
尽力去 着手做(manage undertake)
别拒绝 别假装(refuse pretend)
失败不是属于你(fail)
refused to lend me his pen.
We hope to get there before dark.
The girl decided to do it herself.