一、概述

賓語從句是主從復(fù)合句的一種。主從復(fù)合句是由一個(gè)主句和一個(gè)或一個(gè)以上的從句構(gòu)成的。主句是復(fù)合句的主體，從句僅僅是主句的一個(gè)成分，它從屬于主句，不能獨(dú)立。從句在全句中充當(dāng)什么成分，就叫什么從句。賓語從句當(dāng)中的從句在全句中作賓語。簡單句She knew the teacher(賓語)復(fù)合句She knew that the teacher hadseen the film.(賓從)

二、賓語從句

1

語序

無論主句是陳述句還是疑問句，賓語從句都必須使用陳述語序，即“主句+連詞+賓語從句(主語+謂語+……)”句式。根據(jù)連接詞在從句中所擔(dān)任的不同成分，可分為以下四種：

1)連接詞+謂語。連接詞在從句中作主語。常見的連接詞有：who，what，which等。如：

Could you tell me who knows theanswer，please?你能告訴我誰知道答案嗎?

The small children don't knowwhat is in their stockings.這些小孩子不知道襪子里有什么東西.

I don't know which belongs tomy father.

2)連接詞+名詞+謂語。連接詞在從句中作主語的定語。常見的連接詞有：whose，what，which，how many，how much等。如：

He asked whose handwriting wasthe best in our class.他問我們班上誰的書法最好。

The teacher asked us how manypeople there were in the room.老師問我們房間里有多少人。

3)連接詞+主語+謂語。連接詞在從句中作賓語、狀語或表語。常見的連接詞有：who(m)，what，which, how many, how much,when, why, how, where, if /whether(在句中不充當(dāng)任何成分)。如：

He hasn't decided if he'll goon a trip to Wuxi.他還沒決定是否去無錫旅行。

Could you tell me what I shoulddo with the money ?你能告訴我我如何處理這筆錢嗎?

4)連接詞+名詞+主語+謂語。連接詞在從句中作賓語或表語的定語。常見的連接詞有：what，which，how many，how much，how等。如：

Do you know which class he isin ?你知道他在哪個(gè)班嗎?

She asked me if I knew whosepen it was.她問我是否知道這是誰的鋼筆。

2

連接詞

1)當(dāng)由陳述句充當(dāng)賓語從句時(shí)，用that引導(dǎo)，that無詞義，在口語或非正式文體中常省略。如：

He said that he could finishhis work before supper.他說他會(huì)在晚飯前完成工作。

2)當(dāng)由一般疑問句充當(dāng)賓語從句時(shí)，用if或whether引導(dǎo)，意為“是否”。如：

I don't know if /whether hestill lives here after so many years.

但在下列情況下只能用whether：

①在具有選擇意義，又有or或or not時(shí)，尤其是直接與or not連用時(shí)，往往用whether(if…or not也可以使用)。如：

Let me know whether /if he willcome or not.(=Let me know whethe or not he will come)

I don't know whether/if he doesany washing or not.(=I don't know whether or not he does any washing.

I wonder whether we stay orwhether we go

②在介詞之后用whether。

如I'm interested in whether helikes English.我關(guān)心的是他是否喜歡英語。

We're thinking about whether wecan finish the work on time.

I worry about whether I hurther feelings.我擔(dān)心是否傷了她的感情。

③在不定式前用whether。如：

He hasn't decided whether tovisit the old man.他尚未決定是否拜訪那位老人。

I don't know whether to go.我不知去否。

He hasn't decided whether to goby bus or by train.他還未決定是乘公共汽車去還是坐火車去。

④whether置于句首時(shí)，不能換用if。如：

Whether this is true or not，I can't say.這是否真的我說不上來。

⑤引導(dǎo)主語從句和表語從句時(shí)宜用whether。如：

Whether she will come or not isstill a question.她是否能來還是個(gè)問題。

The question is whether we cancatch the bus.問題是我們能否趕上公共汽車。

⑥若用if會(huì)引起歧義時(shí)，則用whether。如：

Please let me know if you likethe book.可理解為：a. Please let me know whether you like the book.請告訴我你是否喜歡這本書。B. If you like the book, pleaselet me know.你如果喜歡這本書，請告訴我。

3)如果賓語從句原來是特殊疑問句，只需用原來的特殊疑問詞引導(dǎo)。如：

Could you tell me why you werelate for the meeting this morning?

3

時(shí)態(tài)

含賓語從句的復(fù)合句，主、從句謂語動(dòng)詞的時(shí)態(tài)呼應(yīng)應(yīng)包括以下三點(diǎn)內(nèi)容：

1)如果主句的謂語動(dòng)詞是一般現(xiàn)在時(shí)，從句的謂語動(dòng)詞可根據(jù)需要，選用相應(yīng)的任何時(shí)態(tài)。如：

I don't know when he will comeback.我不知道他將何時(shí)回來。

He tells me that his sistercame back yesterday.他告訴我他姐姐昨天回來了。

2)如果主句的謂語動(dòng)詞是過去時(shí)，賓語從句的謂語動(dòng)詞只可根據(jù)需要，選用過去時(shí)態(tài)即一般過去時(shí)、過去進(jìn)行時(shí)、過去將來時(shí)或過去完成時(shí)的某一種形式。如：

①The children didn't know who hewas.孩子們不知道他是誰。

②He asked his father how ithappened.他問他父親這件事是如何發(fā)生的。

3)如果賓語從句所表示的是客觀事實(shí)、普遍真理、自然現(xiàn)象或習(xí)慣性動(dòng)作等，不管主句用什么時(shí)態(tài)，從句時(shí)態(tài)都用一般現(xiàn)在時(shí)。如：

The teacher said that the earthgoes round the sun.老師說地球繞著太陽轉(zhuǎn)。

4

注意：

if和when既可以引導(dǎo)賓語從句，也可以引導(dǎo)狀語從句，應(yīng)注意它們在兩種從句中的意思和用法的不同。if和when引導(dǎo)賓語從句時(shí)，分別意為“是否”和“何時(shí)”，其時(shí)態(tài)應(yīng)和主句時(shí)態(tài)相呼應(yīng);它們引導(dǎo)狀語從句時(shí)，意思分別為“如果，假如”和“當(dāng)……時(shí)候”，當(dāng)主句時(shí)態(tài)是一般將來時(shí)時(shí)，其時(shí)態(tài)用一般現(xiàn)在時(shí)。它們常常放在含有狀語從句和賓語從句的題干中進(jìn)行綜合考查。如：

—Do you know when he will comeback tomorrow ?你知道他明天什么時(shí)候回來嗎?

—Sorry, I don't know. When hecomes back, I'll tell you.對不起，不知道。當(dāng)他回來了，我將告訴你。

—I don't know if he will come.我不知道他是否會(huì)來。

—He will come if it doesn'train.如果不下雨，他會(huì)來的。

賓語從句的復(fù)合句轉(zhuǎn)化為簡單句(六種方法)，使其與原句意思相同(或相近)的試題。

方法一：

當(dāng)主句謂語動(dòng)詞是hope，decide，wish，choose，agree，promise(和主觀決定有關(guān))等，且賓語從句的主語與主句主語一致時(shí)，賓語從句可簡化為不定式結(jié)構(gòu)。例如：

Li Ming hopes he will be backvery soon. →Li Ming hopes to be back very soon.

We decided that we would helphim. →We decided to help him.

方法二：

當(dāng)主句謂語動(dòng)詞是know，learn，remember，forget，tell(和記憶認(rèn)知有關(guān))等動(dòng)詞，且主句主語與從句主語一致時(shí)，賓語從句可簡化為“疑問詞+不定式”結(jié)構(gòu)。例如：

She has forgotten how she canopen the window. →She has forgotten how to open the window.

注：

當(dāng)主句謂語動(dòng)詞是tell，ask，show，teach等動(dòng)詞，且后帶雙賓語，從句主語和間接賓語一致時(shí)，賓語從句可簡化為“疑問詞+不定式”結(jié)構(gòu)。例如：

Could you tell me how I can getto the station? →Could you tell me how to get to the station?

方法三：

當(dāng)主句的謂語動(dòng)詞是order(命令)，require(需要)等時(shí)，如果主句和從句的主語不一致，賓語從句可簡化為“名詞(代詞)+不定式”結(jié)構(gòu)。例如：The headmaster ordered that weshould start at once. → The headmaster ordered us to start at once.

方法四：

某些動(dòng)詞后的賓語從句，可以用介詞加動(dòng)名詞(短語)等其他形式簡化。例如：

He insisted that he should gowith us. →He insisted on going with us.

The poor boy doesn’t know whenand where he was born. →The poor boy doesn’t know the time and the place of hisbirth.

方法五：

某些動(dòng)詞后面的賓語從句可轉(zhuǎn)化為“賓語+V-ing形式(作賓語補(bǔ)足語)”結(jié)構(gòu)。例如：Liu Ping found that there was awallet lying on the ground. → Liu Ping found a wallet lying on the ground.

方法六：

動(dòng)詞seem后的賓語從句，也可以用不定式(短語)來簡化，但句型需要進(jìn)行適當(dāng)?shù)淖兓�。例如：It seemed that the boys weregoing to win. →The boys seemed to win.

除上述方法外，還有一些特殊句式的轉(zhuǎn)化。例如：

I found that it was difficultto learn English well. →I found it difficult to learn English well.

Soon we found that the groundwas covered with thick snow. →Soon we found the ground covered with thick snow.

They found that the box wasvery heavy. →They found the box very heavy

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