英语是一种西日耳曼语支，最早被中世纪的英国使用，并因其广阔的殖民地而成为世界使用面积最广的语言。下面小编为大家带来高三上学期英语必学知识点，希望大家喜欢!
高三上学期英语必学知识点
(1)—How about coming to my house?
—I’d love to if it doesn’t give you so much trouble.
在hope, like, love, promise, want, wish等词后作宾语的不定式常省略。再如：
You may go if you want to.
She can get a job if she hopes to.
—How about going hunting with me tomorrow?
—I’d like to, but I have no time.
(2)Don’t close the window until I ask you to.
在allow, ask, tell等词后作宾语补足语的不定式常省略。再如：
Don’t touch the light unless your mother allows you to.
Don’t plant potatoes until the peasant tells you to.
(3)He didn’t want to hand in his composition, but he had to.
在be able to, be going to, have to, need to, enough to, used to等后的不定式需省略。再如：
I don’t sing much, now, but I used to a lot.
If you don’t want to say anything at the meeting, you don’t need to.
She didn’t go out last night, because she was afraid to.
在afraid, glad, happy, pleased, sorry等词后作状语的不定式常省略。再如：—Will you go with me to see the film tonight?
—I’ll be glad to
高三上学期知识点整理
自身代词概说
表示反射(指一个动作回射到该动作执行者本身.或强调(即用来加强名词或代词的.语气.的代词叫做自身代词。
自身代词的用法
1.在句中作宾语，表示动作回到动作执行者的本身。如：
Please help yourself to some lea.请自己用茶。(作help的宾语.
The girl is too young to look after herself.这女孩太小，还不能照顾自己。(作look after的宾语.
He was always ready to help others; he never thought of himself他总是帮助别人，从不想到自己。(作thought of的宾语.
2.在句中作名词或代词的同位语，用来加强名词或代词的语气，作"亲自"、"本人"解。它在句中可置于名词、代词之后，也可置于句子末尾。如：
You yourself said so.你自己是这样说的。
The desk itself is not so heavy.书桌本身并不重。
I fixed the window myself.这窗户是我自己装的。
高三上学期基础知识点
名词性 that- 从句
1 )由从属连词 that 引导的从句叫做名词性 that- 从句。 That 只起连接主句和从句的作用，在从句中不担任任何成分，本身也没有词义。名词性 that- 从句在句中能充当主 语、宾语、表语、同位语和形容词宾语，例如：
主语： That he is still alive is sheer luck. 他还活着全靠运气。
宾语： John said that he was leaving for London on Wednesday. 约翰说他星期三要到伦敦去。
表语： The fact is that he has not been seen recently. 事实是近来谁也没有见过他。
同位语：The fact that he has not been seen recentlydisturbs everyone in his office.
近来谁也没有见过他，这一事实令办公室所有的人不安。
形容词宾语： I am glad that you are satisfied with your job.
你对工作满意我感到很高兴。
2 ) That- 从句作主语通常用 it 作先行词，而将 that- 从句置于句末，例如：
It is quite clear that the whole project is doomed to failure. 很清楚，整个计划注定要失败。
It ’ s a pity that you should have to leave. 你非走不可真是件憾事。
用 it 作形式主语的 that- 从句有以下四种不同的搭配关系：
a. It + be + 形容词 + that- 从句
It is necessary that … 有必要……
It is important that … 重要的是……
It is obvious that … 很明显……
b. It + be + -ed 分词 + that- 从句
It is believed that … 人们相信……
It is known to all that … 从所周知……
It has been decided that … 已决定……
c. It + be + 名词 + that- 从句
It is common knowledge that ………是常识
It is a surprise that … 令人惊奇的是……
It is a fact that … 事实是……
d. It + 不及物动词 + that- 分句
It appears that … 似乎……
It happens that … 碰巧……
It occurred to me that … 我突然想起……
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