初中語法知識點之賓語從句

General 更新 2024年11月29日

  不少同學都覺得學習賓語從句很難很吃力,不知如何學好。下面由小編給你帶來關於,希望對你有幫助!

  一、概述

  賓語從句是主從複合句的一種。主從複合句是由一個主句和一個或一個以上的從句構成的。

  主句是複合句的主體,從句僅僅是主句的一個成分,它從屬於主句,不能獨立。從句在全句中充當什麼成分,就叫什麼從句。賓語從句當中的從句在全句中作賓語。

  簡單句She knew the teacher***賓語***複合句 She knew that the teacher had seen 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。根據連線詞在從句中所擔任的不同成分,可分為以下四種:

  1***連線詞+謂語。連線詞在從句中作主語。常見的連線詞有: who,what,which等。如:

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

  The small children don't know what is in their stockings.這些小孩子不知道襪子裡有什麼東西.

  I don't know which belongs to my father.

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

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

  The teacher asked us how many people there were in the room.老師問我們房間裡有多少人。

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

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

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

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

  Do you know which class he is in ?你知道他在哪個班嗎?

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

  2.連線詞

  1***當由陳述句充當賓語從句時,用that引導,that無詞義,在口語或非正式文體中常省略。如:

  He said that he could finish his work before supper.他說他會在晚飯前完成工作。

  2***當由一般疑問句充當賓語從句時,用if或whether引導,意為“是否”。如:

  I don't know if /whether he still 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,尤其是直接與or not連用時,往往用whether***if…or not也可以使用***。如:

  Let me know whether /if he will come or not.***=Let me know whethe or not he will come***

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

  I wonder whether we stay or whether we go.

  ② 在介詞之後用whether。如:

  I'm interested in whether he likes English.我關心的是他是否喜歡英語。

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

  I worry about whether I hurt her feelings.我擔心是否傷了她的感情。

  ③ 在不定式前用whether。如:

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

  ④ whether置於句首時,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引導主語從句和表語從句時宜用whether。如:

  Whether she will come or not is still a question.她是否能來還是個問題。

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

  ⑥ 若用if會引起歧義時,則用whether。如:

  Please let me know if you like the 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, please let 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。如:

  Could you tell me why you were late for the meeting this morning?

  3.時態

  含賓語從句的複合句,主、從句謂語動詞的時態呼應應包括以下三點內容:

  1***如果主句的謂語動詞是一般現在時,從句的謂語動詞可根據需要,選用相應的任何時態。如:

  I don't know when he will come back.我不知道他將何時回來。

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

  2***如果主句的謂語動詞是過去時,賓語從句的謂語動詞只可根據需要,選用過去時態即一般過去時、過去進行時、過去將來時或過去完成時的某一種形式。如:

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

  ②He asked his father how it happened.他問他父親這件事是如何發生的。

  3***如果賓語從句所表示的是客觀事實、普遍真理、自然現象或習慣性動作等,不管主句用什麼時態,從句時態都用一般現在時。如:

  The teacher said that the earth goes round the sun.老師說地球繞著太陽轉。

  4.注意:

  if和when既可以引導賓語從句,也可以引導狀語從句,應注意它們在兩種從句中的意思和用法的不同。if和when引導賓語從句時,分別意為“是否”和“何時”,其時態應和主句時態相呼應;它們引導狀語從句時,意思分別為“如果,假如”和“當……時候”,當主句時態是一般將來時時,其時態用一般現在時。它們常常放在含有狀語從句和賓語從句的題幹中進行綜合考查。如:

  —Do you know when he will come back tomorrow ?你知道他明天什麼時候回來嗎?

  —Sorry, I don't know. When he comes back, I'll tell you. 對不起,不知道。當他回來了,我將告訴你。

  —I don't know if he will come.我不知道他是否會來。

  —He will come if it doesn't rain.如果不下雨,他會來的。

  賓語從句的複合句轉化為簡單句***六種方法***,使其與原句意思相同***或相近***的試題。

  方法一:當主句謂語動詞是hope, decide, wish, choose, agree, promise***和主觀決定有關***等,且賓語從句的主語與主句主語一致時,賓語從句可簡化為不定式結構。例如:

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

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

  方法二:當主句謂語動詞是know, learn, remember, forget, tell***和記憶認知有關***等動詞,且主句主語與從句主語一致時,賓語從句可簡化為“疑問詞+不定式”結構。例如:

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

  注:當主句謂語動詞是tell, ask, show, teach等動詞,且後帶雙賓語,從句主語和間接賓語一致時,賓語從句可簡化為“疑問詞+不定式”結構。例如:

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

  方法三:當主句的謂語動詞是order***命令***,require***需要***等時,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”結構。例如:The headmaster ordered that we should start at once. → The headmaster ordered us to start at once.

  方法四:某些動詞後的賓語從句,可以用介詞加動名詞***短語***等其他形式簡化。例如:

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

  The poor boy doesn’t know when and where he was born. →The poor boy doesn’t know the time and the place of his birth.

  方法五:某些動詞後面的賓語從句可轉化為“賓語+V-ing形式***作賓語補足語***”結構。例如:Liu Ping found that there was a wallet lying on the ground. → Liu Ping found a wallet lying on the ground.

  方法六:動詞seem後的賓語從句,也可以用不定式***短語***來簡化,但句型需要進行適當的變化。例如:It seemed that the boys were going to win. →The boys seemed to win.

  除上述方法外,還有一些特殊句式的轉化。例如:

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

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

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

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