2020高三英语复习知识点
读书和学习是在别人思想和知识的帮助下，建立起自己的思想和知识。下面给大家带来一些关于高三英语复习知识点，希望对大家有所帮助。
高三英语复习知识点1
疑问代词概说
"疑问代词有who(谁，主格)，whom(谁，宾格)，whose(谁的，所有格)，what(什么)和which(哪个，哪些)等。
疑问代词用于特殊疑问句中
疑问代词一般都放在句首，并在句中作为某一句子成分。如：
Who is going to speak to us tomorrow?明天谁来跟我们讲话?(who作主语)
Who told you so?是谁告诉你的?(who作主语)
Whom are you talking about ?你们在说谁?(whom作宾语，但在句首时口语常用who代替whom)
Whose umbrella is this ?这是谁的伞?(whose作定语)
What is that? 那是什么?(what作表语)
What did he say?他说什么?(what作宾语)
Which is yours，the blue pen or the redone?蓝笔和红笔哪一支是你的?(which作主语)
[注一]关于疑问代词的各种用法，可参看77.70-77.72。
[注二]疑问代词who，what，which等后面加单词ever，可强调语气，表达说话人的各种感情。如：
What ever do you want?你到底想要什么?
Who ever is she looking for ?她究竟是在找谁?
[注三]which表示在一定范围之内的选择，what则没有这种限制。如：
What do you usually have for lunch?你们午饭通常吃些什么?
Which do you like best?你最喜欢哪一个?
Which of you comrades come from the Northeast? 你们同志们中间谁是东北人?
疑问代词可以引导一个间接疑问句
间接疑问句在句中可用作主语、宾语、表语等。疑问代词本身在间接疑问句中又担任一定的句子成分。如：
Who will be in charge of the work is still not decided.谁将负责这项工作，现在还没有决定。(疑问代词who引导一个主语从句，它本身又在从句中用作主语。)
Do you know what his name is?你知道他叫什么名字吗?(疑问代词what引导一个宾语从句，而它本身又在从句中用作表语。)
[注一] what所引导的名词性从句(即主语从句、宾语从句、表语从句) 有时不是间接疑问句。如：
What he says is quite true.他所讲的话很对。(what相当于that which。它引导一个主语从句，这个从句不是间接疑问句。)
Children do what the nurse tells them to do.保育员让孩子干什么他们就做什么。(what引导一个宾语从句，这个从句也不是间接疑问句。)
[注二] whatever，whoever，whichever等词可引导名词性从句。这些名词性从句也不是间接疑问句。whatever，whoever，whichever也可引导表示让步的状语从句。见15.65和15.72)如：
They eat whatever they can find.他们找到什么就吃什么。(whatever引导一个宾语从句，并在从句中作宾语。)
I've got plenty of books 1eft.Whoever wants an extra copy can get one from me.我还剩下许多书，谁还想再要一本可来拿。(whoever引导一个主语从句，并在从句中作主语。)
高三英语复习知识点2
不定代词的用法
不定代词大都可代替名词和形容词，在句中可用作主语、宾语、表语和定语。如：
1.用作主语
Both of them are waiters.他们俩人都是男侍者。
Is everybody here?人都到了吗?
2.用作宾语
I know little about the novel关于这本小说我知道的很少。
I am speaking for myself，not for others.我只代表自己，不代表别人发言。
I was interested in everything that the old man told me.我对于这位老人告诉我的一切都感兴趣。
3.用作表语
That's all for today. class is dismissed.今天就讲这一些。现在下课。
This book is too much for me.这本书对我说太难了。
4.用作定语
Study well and make progress every day.好好学习，天天向上。
He has some English books.他有一些英文书。
china will become a powerful modern country in another twenty years.再过二十年中国将成为现代化强国。
[注]有些不定代词也可用作同位语和状语。如：
Wang and Li both made good progress.王和李两人都有很大进步。
They all went to the Zoo.他们都去动物园了。
Are you any good at mathematics?你数学好吗?
The meeting lasted some two hours.会议进行了两个小时左右。
高三英语复习知识点3
(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
高三英语复习知识点4
pleasant, pleasing, pleased
(1) pleasant 可作定语和表语。修饰事物，不能修饰人。因此句子的主语只能是表示事物的词语，而不能是人。意思是“令人愉快的，令人高兴的”。
I hope you'll have a pleasant holiday.
我希望你能过一个愉快的假期。
(2) pleasing “令人高兴的，令人愉快的”，表示宁静、满意、令人满足之意。侧重于表示接受对象的情感，传递主观感受。比 pleasant 稍弱。主语可为人或事物。
An actor should have a pleasing personality.
表演者应当具有一种令人愉快的个性。
(3) pleased “高兴的，感到满意的”含义与glad基本相同。作表语时，句子的主语只能是“人”，而不能是表示事物的词语。be pleased with 表示“对……表示满 意”之意。
She had a pleased look on his face.
她脸上露出了满意的表情。
burn down, burn up, burn out
bum down 指“烧为平地，烧毁”;也指“火力减弱”。
The house was burnt down in an hour.
房子一小时被烧为平地。
bum up 有“烧旺”之意，也可指“消耗掉”。
You'd better put more wood on the fire to make it burn up.
你往火上添着柴，让它烧旺。
bum out 指“火熄灭”。
The fire had burnt out before I returned.
在我回来前，火已经熄灭了。
elect, select, choose
elect 只能用于选举人，是投票选举的正式用语。
They elected Nixon President. 他们选尼克松为总统。
choose 可用于挑选人或物。
It's hard for me to choose one from so many pairs of shoes.
要从这么多双鞋子当中挑选一双对我来说真是太难了。
select 意为精心挑选，多用于物。
She selected a pair of socks to match her suit.
他精心挑选了一双袜子来与衣服搭配。
be known for, be known as, be known to
be known for 以……出了名 (通常不是指同位的关系)
be known as 作为……出了名 (通常加上职业名词，表同位关系)
be known to为……所知
Japan is known for its cars.
日本以它的汽车而闻名。
Luxun is known as a writer.
鲁迅作为作家很出名。
As is known to all, China has four famous invitations.
众所周知，中国有四大的发明。
observe, watch
当“观察”来讲时，observe相当于watch carefully，尤其用于实验或研究等场合。具体来说，observe含有“察觉到”的意思，watch意为“盯着看”。
watch还含有“观看(比赛、电视)”等，而observe没有此意。另外，watch还有“照料”之意，相当于take care of。还有“当心”之意，相当于be careful with。
She has observed the stars all her life.
她一生都在观察星星。
I'll watch the baby while you are away.
你不在时，由我照料你女儿。
You'd better watch Mr Smith, I think he is a thief.
你当心史密斯先生，我想他是个贼。
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