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初中英語(yǔ)狀語(yǔ)從句詳細(xì)解析

時(shí)間: 於寶21274 分享

  狀語(yǔ)從句是英語(yǔ)語(yǔ)法中的常用句型語(yǔ)法,那么大家是否清楚什么是狀語(yǔ)從句呢?下面就是小編給大家?guī)?lái)的初中英語(yǔ)狀語(yǔ)從句詳細(xì)解析,希望能幫助到大家!

  狀語(yǔ)從句詳細(xì)解析

  一、什么是狀語(yǔ)、狀語(yǔ)從句?

  狀語(yǔ):是用來(lái)修飾動(dòng)詞、形容詞、副詞或全句用的。

  eg:He works hard! (他努力工作)中的hard。

  狀語(yǔ)的位置:

  修飾形容詞或副詞的狀語(yǔ)放在被修飾語(yǔ)之前。

  eg:The Summer Palace is very beautiful.頤和園非常美麗。

  (very 為狀語(yǔ),修飾形容詞 beautiful,放在 beautiful 之前)。

  修飾動(dòng)詞的狀語(yǔ)有的放在動(dòng)詞前,有的放在動(dòng)詞之后。

  如果動(dòng)詞有賓語(yǔ),狀語(yǔ)一般須放在賓語(yǔ)之后。

  eg: I He often came here to see me.他經(jīng)常到這里來(lái)看我。(often 為狀語(yǔ),修飾動(dòng)詞came,放在前面)。

  I know him well.我十分了解他。(well為狀語(yǔ),修飾動(dòng)詞 know,放在 know 之后)。

  狀語(yǔ)從句:用一個(gè)句子(從句)來(lái)作另一個(gè)句子(主句)的狀語(yǔ),用作狀語(yǔ)的句子就叫作狀語(yǔ)從句。作什么樣的狀語(yǔ)就叫什么類型的狀語(yǔ)從句。例如:條件狀語(yǔ)從句就是用一個(gè)句子來(lái)作條件狀語(yǔ)。

  二、狀語(yǔ)從句的分類。

  (1)時(shí)間狀語(yǔ)從句

  凡是從句都必須有引導(dǎo)詞,引導(dǎo)時(shí)間狀語(yǔ)從句的詞有when,before,after,until,as soon as,while 等,具體用法如下:

  1. when 意為“當(dāng)……時(shí)”,引導(dǎo)時(shí)間狀語(yǔ)從句,表示主句的動(dòng)作和從句的動(dòng)作同時(shí)或先后發(fā)生。

  eg: I feel very happy when you come to see me.

  When you are crossing the street,you must be careful.

  when引導(dǎo)的時(shí)間狀語(yǔ)從句,when的從句可以用延續(xù)性動(dòng)詞,也可以用瞬間動(dòng)詞。

  eg:He was working at the table when I went in. 。

  Someone knocked at the door when I was sleeping.

  I will visit my good friend when I have time.

  注:when也可以作并列連詞,表示一個(gè)動(dòng)詞正在進(jìn)行的時(shí)候,突然間發(fā)生了另外一件事。

  eg: I was fishing by the river,when someone called for help.

  We were working in the chemistry lab,when the lights went out.

  2. before 意為“在……之前”,引導(dǎo)時(shí)間狀語(yǔ)從句時(shí),表示主句的動(dòng)作發(fā)生在從句的動(dòng)作之前。 eg: We cleaned the classroom before we left school yesterday.

  He had been a cook before he went to college .

  after 意為“在……之后”,引導(dǎo)時(shí)間狀語(yǔ)從句時(shí),表示主句的動(dòng)作發(fā)生在從句的動(dòng)作之后。

  eg: After you use plastic bags,you mustn't throw them about.

  He called me after he had finished his work.

  注:若主句和從句兩個(gè)動(dòng)作發(fā)生的先后順序十分接近,那么也可以不用完成時(shí)態(tài),如上面的 第二句可改成:He called me after he finished his work.

  3. since引導(dǎo)的時(shí)間狀語(yǔ)從句,譯為“自從……”,主句常用現(xiàn)在完成時(shí),從句常用一般過(guò)去時(shí)。

  eg: I have taught English, since I came to Shenzhen.

  注:常用句型:It is +時(shí)間段+since從句 譯為:自從……有多長(zhǎng)時(shí)間了。

  eg. It is six years since she graduated from the university.

  4. until 意為“直到……時(shí)”,引導(dǎo)時(shí)間狀語(yǔ)從句時(shí),表示主句的動(dòng)作發(fā)生在從句的動(dòng)作之前。

  當(dāng)主句的謂語(yǔ)動(dòng)詞是持續(xù)性動(dòng)詞時(shí),主句常用肯定形式;當(dāng)主句的謂語(yǔ)動(dòng)詞是非持續(xù)性動(dòng)詞時(shí),從句常用否定形式,not…until… 意為“直到……才……”,這時(shí)的until可以用before 來(lái)替換。

  eg:I'll stay here until you come back.

  我會(huì)呆在這里,直到你回來(lái)。 (stay表示的 動(dòng)作可以持續(xù))

  He didn't go to bed until he finished his homework.

  他直到做完作業(yè)才睡覺(jué)。(go to bed 表示的動(dòng)作不能持續(xù))

  5. as soon as 意為“一……就……”,表示從句的動(dòng)作一發(fā)生,主句的動(dòng)作馬上就發(fā)生。

  eg:I'll tell him about it as soon as he comes back.

  6. while引導(dǎo)的時(shí)間狀語(yǔ)從句,常譯為“與……同時(shí),在……期間”,while的從句中常用延續(xù)性動(dòng)詞或表示狀態(tài)的詞。

  eg. They rushed in while we were discussing problems.

  Father was cleaning the car while I was playing computer games.

  注:while也可以作并列連詞,表轉(zhuǎn)折的關(guān)系,相當(dāng)于but,譯為“然而”。

  eg. I like listening to music,while my brother likes doing sports.

  7. till和until引導(dǎo)的時(shí)間狀語(yǔ)從句,譯為“直到……為止”,not … till / until引導(dǎo)的時(shí)間狀語(yǔ)從句,譯為“直到……才”。前者強(qiáng)調(diào)主句動(dòng)作的結(jié)束,用延續(xù)性動(dòng)詞,后者強(qiáng)調(diào)主句動(dòng)作的開(kāi)始,用瞬間動(dòng)詞。

  eg. I will wait for my friend until / till he comes. 我要一直等到我朋友來(lái)。

  We won't start our discussion until / till he comes.

  我們要等到他來(lái)了,再開(kāi)始我們的討論。

  (2)條件狀語(yǔ)從句

  1.條件狀語(yǔ)從句通常由if, unless引導(dǎo)。

  eg:What shall we do if it snows tomorrow?

  Don’t leave the building unless I tell you to.

  2.在條件狀語(yǔ)從句里,謂語(yǔ)動(dòng)詞通常用現(xiàn)在時(shí)態(tài)表示將來(lái)的動(dòng)作或狀態(tài)。(主將從現(xiàn))

  eg:I’ll help you with your English if I am free tomorrow.

  He won’t be late unless he is ill.

  3.“祈使句 + and (or)+ 陳述句” 在意思上相當(dāng)于一個(gè)帶有條件狀語(yǔ)從句的復(fù)合句。

  eg:Hurry up, or you’ll be late.=If you don’t hurry up, you’ll be late.

  Study hard and you will pass the exam.

  =If you study hard, you will pass the exam.

  (3) 原因狀語(yǔ)從句

  1.原因狀語(yǔ)從句通常由because, since, as引導(dǎo)。

  eg:He didn’t come to school because he was ill.

  As it is raining, we shall not go the zoo.

  Since you can’t answer the question, I’ll ask someone else.

  2. because表示直接原因,語(yǔ)氣最強(qiáng)。Because引導(dǎo)的原因狀語(yǔ)從句多放在主句之后?;卮鹩蓋hy提出的問(wèn)題,只能用because。As和since語(yǔ)氣較弱,一般用來(lái)表示明顯的原因。由as和since引導(dǎo)的原因狀語(yǔ)從居多放在句首。

  eg:------Why aren’t going there? ------Because I don’t want to.

  As he has no car, he can’t get there easily.

  3. because和so不能同用在一個(gè)句子里。

  For 語(yǔ)氣最弱,它所引導(dǎo)的分句必須放主句后面,引補(bǔ)充說(shuō)明作用。

  eg:Put on more clothes, for it's cold outside.

  注:because, since, as, for 的區(qū)別

  語(yǔ)氣        位置         意義

  because    最強(qiáng)        前或后      “原因”;表客觀因果關(guān)系;回答“”

  as       較強(qiáng)         前        “由于”;把眾人所知的事實(shí)當(dāng)作理由

  since      較弱         前        “既然”;就對(duì)方陳述的事實(shí)作為理由

  for       最弱         后       “理由”;對(duì)某一事實(shí)進(jìn)行推斷的理由

  (4)地點(diǎn)狀語(yǔ)從句

  常用where(哪里)和wherever(無(wú)論哪里)

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

  We will go wherever the motherland need us most. 我們要到祖國(guó)最需要的地方去。

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