你是否在寫(xiě)英語(yǔ)作文的時(shí)候無(wú)話可說(shuō)，或者寫(xiě)來(lái)寫(xiě)去都是非常簡(jiǎn)單的句子，從而得不到高分？

今天就教大家初中英語(yǔ)中的三大從句，寫(xiě)作文的時(shí)候應(yīng)用從句，很大程度上可以提高作文分?jǐn)?shù)，增加文章的可讀性。

賓語(yǔ)從句

一、定義

賓語(yǔ)從句就是在句子中，起到賓語(yǔ)作用的從句。

二、連接詞

that： I'm looking forward it that he will forgive me. 我期待他會(huì)原諒我。

Whether/if: I want to know if (whether) he lives there.我想知道他是否住在這兒。

what： You can choose what you like. 你可以選擇你喜歡的。

where： I wonder where she lives. 我想知道她住在哪里。

只用whether的情況：

1、與or not連用

I can't say whether or not they will help him. 我不能說(shuō)他們會(huì)不會(huì)幫助他。

2、在的后面

I'm thinking of whether we should help him. 我在考慮我們是否應(yīng)該幫助他。

3、與動(dòng)詞不定式（to do）連用

He doesn't know whether to accept the invitation. 他不知道是否要接受邀請(qǐng)。

三、時(shí)態(tài)

1、主句是一般現(xiàn)在時(shí)，從句任何時(shí)態(tài)都可以，根據(jù)具體情況而定。

I wants to know what she has to take an examination.我想知道她有沒(méi)有參加考試。

2、主句是一般過(guò)去時(shí)態(tài)，從句用相應(yīng)的過(guò)去時(shí)態(tài)。

he said that he was a student. 他說(shuō)他是一個(gè)學(xué)生。

he said that he would fly to Canada in a week. 他說(shuō)他要飛到加拿大一個(gè)星期。

She said that she had finished her homework already. 她說(shuō)她已經(jīng)完成了她的作業(yè)。

3、如果從句說(shuō)的是客觀真理、自然現(xiàn)象等，從句就要用一般現(xiàn)在時(shí)。

My father said that the earth goes round the sun. 我父親說(shuō)地球繞著太陽(yáng)轉(zhuǎn)。

定語(yǔ)從句

一、定義

定語(yǔ)從句就是在符合劇中修飾名詞、代詞的從句。

二、先行詞

指人先行詞：who /that

指物先行詞：which/that

一般來(lái)說(shuō)，定語(yǔ)從句都緊跟在被修飾的名詞或代詞后面。

三、關(guān)系代詞

關(guān)系代詞代替先行詞在句子中的成分，所以句中不會(huì)出現(xiàn)其他代替先行詞的代詞。

四、翻譯方法

一般都是翻譯為'…的'。

whom：先行詞指人，代替先行詞在從句中充當(dāng)賓語(yǔ)，如果前面帶介詞，就必須用whom，而不用who。

1、This is the actor whom/who we like best. 這是我們最喜歡的演員。

2、I don't like the women to whom you are talking.我不喜歡和你說(shuō)話的女人。

whose : 指人或物，作定語(yǔ)，表示 '…的'

Mary is the girl whose father is our English teacher. 瑪麗這個(gè)女孩的爸爸是我們的英語(yǔ)老師。

關(guān)系代詞只能用that的情況：

1、先行詞被序數(shù)詞修飾時(shí)

This is the first book that my brother bought me.這是我哥哥買給我的第一本書(shū)

2、先行詞被形容詞最高級(jí)修飾時(shí)

This is the most exciting film that I have ever seen. 這是我所看過(guò)的最激動(dòng)人心的電影。

3、先行詞為不定代詞something, anything，nothing，everything等時(shí)

Is there anything that you want in the room. 在房間里有什么是你想要的

4、先行詞既有人也有物時(shí)

The writer and his work that you told me are really famous. 他和他的作品讓我知道他真的很出名。

5、先行詞被the very/the only/the same/the last等修飾時(shí)

She is the only girl who has got a prize. 她是唯一一個(gè)獲獎(jiǎng)的女孩。

6、先行詞前面有who,which等疑問(wèn)代詞時(shí)

Who is the man that is standing there? 站在那里的那個(gè)人是誰(shuí)?

狀語(yǔ)從句

一、定義

狀語(yǔ)從句中的從句可以修飾謂語(yǔ)、非謂語(yǔ)動(dòng)詞、定語(yǔ)、狀語(yǔ)或整個(gè)句子。

二、狀語(yǔ)從句的分類

時(shí)間、地點(diǎn)、原因、目的、結(jié)果、條件、方式、讓步狀語(yǔ)從句（共8類）

1、時(shí)間狀語(yǔ)從句

when：'當(dāng)……時(shí)候'，一般指特定時(shí)間點(diǎn)，主句和從句的事情同時(shí)發(fā)生。

When I play the piano, she sang.當(dāng)我彈琴時(shí)，她唱歌。

when： '正在……的時(shí)候'，突然… 通常主句是進(jìn)行時(shí)。

He is walking along the street , when he met her. 當(dāng)他正在街上走時(shí)，突然遇見(jiàn)她。

when 當(dāng)從句是進(jìn)行時(shí)，主句是一般時(shí)，往往表示不滿。

Someone knocked at the door when I was eating lunch. 有人敲門的時(shí)候我正在吃午餐。

while：'在……期間'，往往指一段時(shí)間。

While we were in Japan, we saw her twice. 我們?cè)谌毡灸嵌螘r(shí)間見(jiàn)到她兩次。

while：表示一種不滿情緒，意思是這邊在干某種重要的事，而另一邊在享受等

We are doing homework while they are watching TV. 我們正在做家庭作業(yè)時(shí)，他們正在看電視。

As：'一邊……一邊', 隨著

He was doing her homework as he was eating lunch. 他一邊做作業(yè)一邊吃午飯。

As：'當(dāng)……時(shí)'，指一個(gè)動(dòng)作緊接著一個(gè)動(dòng)作發(fā)生，從句通常用進(jìn)行時(shí)。

As she was going out, it began to rain. 在她外出時(shí),就開(kāi)始下雨了。

The moment：'一……就……'=as soon as , immediately

Did you remember to give Tom the money you owed him? 你記得給湯姆你欠他的錢?

Not… until：'直到……才'

He didn't leave room until he finished the work. 他并沒(méi)有離開(kāi)房間,直到他完成了這項(xiàng)工作。

Before：：'在……之前'

The passengers should arrive at the airport an hour before the flight departs.

乘客應(yīng)該在航班離開(kāi)前一個(gè)小時(shí)前到達(dá)機(jī)場(chǎng)。

After：'在…… 之后'

The women left the ticket counter after she had a quarrel with the ticket agent.女人離開(kāi)了售票柜臺(tái)后與售票員爭(zhēng)吵。

Since：'自從……', 通常主句用現(xiàn)在完成時(shí)

I have never been there again since I leave Japan. 我從來(lái)沒(méi)有去過(guò)那里自從我離開(kāi)日本

As soon as ：'一……就……'

Danielle went to the toilet as soon as she slept in there.丹尼爾一上廁所就在里面睡覺(jué)。

No sooner than：'一……就……'

no sooner… than… 用于句首要求倒裝

Hardly …when…、Scarcely …when…

No sooner had he arrived than he went away again.他一到達(dá)就又走了。

Once ：'一但……就……'

Once you see her, you will never forget her. 一旦你看到她,你將永遠(yuǎn)不會(huì)忘記她。

Every time, each time 每次whenever 每當(dāng)

Each time he came to town, he would visit my grandmother. 每次他來(lái)到鎮(zhèn)上,他將拜訪我的祖母。

2. 條件狀語(yǔ)從句

引導(dǎo)狀語(yǔ)從句的連接詞有：

If如果, unless除非, as long as只要, As (so) far as --- 據(jù)……所知，in case萬(wàn)一, provided that假如, on condition that若是，以…為條件

If：如果

If you don't hurry up, you will going to be late. 如果你不快點(diǎn),你將會(huì)遲到。

Unless：如果不, 除非=if not

We can't get there on time unless we start early. 我們不能準(zhǔn)時(shí)到達(dá)那里,除非我們?cè)琰c(diǎn)出發(fā)。

As long as ： 只要

We will succeed as long as we keep on trying. 我們會(huì)成功的,只要我們繼續(xù)努力。

As (so) far as： 據(jù)……所知

As far as I know, he is the best students in this school. 據(jù)我所知,他是這所學(xué)校最好的學(xué)生。

In case： 假使, 如果

She cannot come here in case it rains.如果下雨了她就不能來(lái)。

Provided that 如果,有時(shí)省略 that

The plane will be in good condition provided that it is taken care of carefully.如果細(xì)心對(duì)待飛機(jī)設(shè)備，飛機(jī)狀態(tài)會(huì)很好。

3. 地點(diǎn)狀語(yǔ)從句

地點(diǎn)狀語(yǔ)從句只有兩個(gè)連詞: Where, wherever

Where：在……地方

Where there is a will, there is a way. 有志者事竟成。

Wherever --- 無(wú)論哪里

Wherever you are, I will waiting for you. 無(wú)論你在哪里,我都會(huì)你。

4. 原因狀語(yǔ)從句

because, as, since, now that, 和considering that, seeing that 這六個(gè)連詞都用于表示表示原因, 但在語(yǔ)氣上一個(gè)比一個(gè)弱.

Because：'因?yàn)?通常從句放在主句后.

Carrie was very angry because she couldn't find her ring. 嘉莉很生氣,因?yàn)樗也坏剿慕渲浮?/p>

As：'因?yàn)?, 通常放在句首

As she is honest and beautiful, all her friends like her.因?yàn)樗\(chéng)實(shí)漂亮，她所有的朋友都喜歡她。

Since'既然' 因語(yǔ)氣較弱, 常譯為既然(眾所周知的原因)

Since everyone has come, we can leave out. 既然每個(gè)人都來(lái)了,我們可以離開(kāi)了。

Now that ： 既然

Now that you are here, we can continue. 既然你在這里,我們可以繼續(xù)了。

considering that ： 顧及到

Considering you all don't know, let me tell you. 考慮到你都不知道,讓我告訴你。

seeing that --- 由于

Seeing (that) quite a few people were absent, we decided to put the meeting off.

由于很多人缺席,我們決定把會(huì)議推遲了。

5. 結(jié)果狀語(yǔ)從句

引導(dǎo)結(jié)果狀語(yǔ)從句的連詞有：that, so that, so…that…

such…that So… that：'太……以至于'so 后面應(yīng)用形容詞或副詞, 有時(shí)省略so只用that

Boeing 747 is so large that people like to call it jet bomb. 波音747是如此之大,人們喜歡稱它為飛機(jī)炸彈。

So that :'因而，以便，為了'有時(shí)so 可以省去

Speak louder please so that the people at the back can hear you. 請(qǐng)大點(diǎn)聲,這樣后面的人才能聽(tīng)到你。

Such …that：'太……以至于' 用法與so…that相同，但such 后面應(yīng)用名詞。

He was such a fast speaker that nobody could understand him. 他說(shuō)話太快以至于沒(méi)人能聽(tīng)懂。

6. 目的狀語(yǔ)從句

引導(dǎo)目的狀語(yǔ)從句的主要連詞有: that, so that, in order that, for fear that, lest

(So) that：'以便', 從句中常常使用一些情態(tài)動(dòng)詞，如：can, could, may, might, should等

Let's sit down (so) that the back of the people to see.讓我們坐下，以便后面的人看見(jiàn)。

in order that ：'為了,'與so that 相同從句中常常使用一些情態(tài)動(dòng)詞，如：can, could, may, might, should等

School was opend early in order that the children might study ahead.學(xué)校早點(diǎn)開(kāi)門為了讓孩子早點(diǎn)學(xué)習(xí)。

for fear that：'生怕'; 為了防止(某事發(fā)生)

He took the name down for fear that he should forget it.他記下名字以免忘記。

in case：'萬(wàn)一'

You should told him in case he forget. 你應(yīng)該告訴他,以防他忘記。

Lest :'以防萬(wàn)一'

The man decided to tell his boss the fact lest he would be angry with him.

7. 讓步狀語(yǔ)從句

引導(dǎo)讓步狀語(yǔ)從句的連詞有：Although, though, as, even if, even though, no matter, however, whatever, while, whether.

although, though：'雖然'although 和though 可以互換，但although 一般放句首。Though用于倒裝。

Although it was raining, he came on time. 雖然在下雨,但他準(zhǔn)時(shí)來(lái)。

Though he did his best, he didn't succeed. 雖然他盡了全力,但他沒(méi)有成功。

as：'盡管' as 引導(dǎo)讓步狀語(yǔ)從句時(shí)，句子通常倒裝?？膳cthough 互換。

Busy as he is, he never missed the child's birthday.盡管他很忙碌，他從來(lái)沒(méi)有錯(cuò)過(guò)了孩子的生日。

even if /even though ：'即使'

Even if you don't like that girl, you should not bullying her. 即使你不喜歡那個(gè)女孩,你不應(yīng)該欺負(fù)她。

however：'不論'， however 引導(dǎo)讓步狀語(yǔ)從句時(shí)，句子通常倒裝

She couldn't attend the wedding on time however fast she drove.不論她開(kāi)車多快都無(wú)法準(zhǔn)時(shí)參加婚禮。

No matter (what, when, where, how) ：無(wú)論（什么，何時(shí)，何地，怎樣）

He wouldn't return the book to me no matter how hard I begged him. 他不會(huì)把書(shū)還給我不論多么我努力的懇求他。

whatever：'不管'

Whatever other people may say, he won't change his mind. 不管別人怎么說(shuō),他不會(huì)改變他的想法。

while：'盡管'

While you are right, I can't believe it.盡管你說(shuō)得對(duì)，我也不會(huì)相信的。

whether ：'不管'，常與or not 連用

Whether he is good or not, we all respect him very much. 不管他是否優(yōu)秀,我們都很尊敬他。

8. 方式狀語(yǔ)從句

方式狀語(yǔ)從句常由: as, as if, as though

as ：與…… 一樣

Do in Rome as the Romans do.入鄉(xiāng)隨俗。（你在羅馬就和羅馬人的生活習(xí)慣一樣）

as if, as though：'仿佛', 由as if或 as though引導(dǎo)的從句中可用虛擬語(yǔ)氣

She stood at the door as if (=as though) she were waiting for someone. 她站在門口好像在等人。

以上就是初中三大從句的一些知識(shí)，收藏下來(lái)，不會(huì)的時(shí)候可以查閱。