高三阶段英语常见知识点

英语一直是国人学习的痛点，因为不是母语，所以学起来相对吃力，高三的学生学习英语时还是要注重方法的。下面是小编给大家带来的高三英语常见知识点，希望能帮助到大家!

高三阶段英语常见知识点

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。

高三阶段英语常见知识点

虚拟语气在一些特殊词中的使用或含蓄条件句

1.wish后的宾语从句。

与现在愿望不一致，用主语十过去时，例如：

I wi。hIwere you.

与过去愿望不一致，用主语+had+过去分词，例如：Iwish I had visited the White House whenI was in the States与将来愿望不一致，用主语+would (could)+原形。

2.It's time句型：当lt's tine后用that从句时应该为主i吾+should+动词原形或主语十过去时，例如：It，s time thatyou went to school.或It's time that you should go to schooL

3- If only引起的感叹句相当于“How I wish+宾语从句”。

(l)If only he could come.他要能来就好了。

(2)If only I had known the answer.我要早知道答案就好了。

4.WOuld rather，as if(though)引导的从句也需使用虚拟语气，表示过去的情况用过去完成时，表示现在与将来的情况用过去时，例如：

(l)I'd rather you posted the letter right away.

(2)She loves the children as if they were hers.

5.含蓄虚拟条件句含蓄条件句是指句中没有明显的虚拟条件句，而是利用其他手段来暗示存在虚拟条件。但是这类隐含式虚拟条件句往往都可以转化为if引导的条件句。常用来表示含蓄虚拟条件的手段有：

(1)介词或介词短语。如but for，but that，without,in case of, under more favorable condition等。

(2)连词。如so that, unless, in case, supposing,lest, provided(倘若……)，for fear that(唯恐)，in orderthat, on condition that, if only(要是……就好了)等。

注意：lest, for fear that和in case引起的从句中谓语动词多用should+动词原形，但也可以不用虚拟语气，而用动词的陈述语气形式。例如：The foreign teacher spokeslowly in case we misunderstood him这位外籍教师说得很慢以免我们误解。

(3)通过上下文及内在含义，句中往往有but,otherwise, unfortunately等类似转折词。

without, but. but for, otherwise引起的短语或句子常暗含着含蓄条件。例如：

①Without you,1 would never know him

②But for your oooperation, we wouldn't have done it

③But that she was afraid, she would have said no. .

④i would be most glad to help you, butI am busy now.

⑤I would have come to the party yesterday, but ljwas working.

⑥I am busy now, otherwise l would do you the favor!

高三阶段英语常见知识点

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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