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1、宾语从句的用法一、定义：宾语从句就是一个句子的宾语部分是由另一个句子来充当。宾语从句需要 用引导词来引导。学好宾语从句，必须过“三关”即引导词关、语序关、时态关。二、引导词关：引导宾语从句的引导词分为三类，即：1）若宾语从句为陈述语气，则用that引导。That在从句中不充当任何成分，也无实义， 只是起到连接的作用。通常在 say, think, wish , hope, see, believe, agree, expect, hear , feel等动词后力口 that，引导 宾语从句。连词that在口语中常被省略。A女口： He said that he was a student.I
2、thought that he was wrong.入注意： A）弓丨导宾语从句的that 常可以省略，但下列情况下不能省略。（1）and连接两个或两个以上的宾语从句，除第一个从句中的that以外,后面从句中的 that不能省略。如: I know （that） he is a good student and that he likes basketball.（2）、that引导的宾语从句作介词宾语时，that不能省略。女口： I know nothing about him except that he is from the south.（3） 、主句谓语动词与that从句之间有插入语，
3、that不可省略。女口： We decided, considering his age, that we would not let him do the job.B）若宾语后面有宾语补语，则宾语从句要放到补语之后，在宾补前用形式宾语it.常 常这样用的动词有 find,feel,consider,make,believe 等。女口： He doesnt want it to be known that he is going away,I consider it necessary that he should do it again.C）宾语从句的否定转移。当主句的谓语动词是think,
4、 believe, imagine, suppose, consider, expect, fancy,guess等表示主观看法或认识的动词,并且主句的主语是第一人称而且为一般现 在时，从句的否定词一般要转移到主句上来。其反义疑问句一般与宾语从句一致女口： I dont think he will come to my party.（而不能说成 I think he wont come to my party.）I dont believe that he is a good student, is he?我认为他不是个好学生，不是吗？I dont think you are right.I
5、dont believe that they have finished their work. 比较：she believes that I am not a good student.2）表示一般疑问语气，含有“是否，能否”的意思。由从属连词whether和f引导,二者通 常可以互换。女口： I dont know whether/if I should go to the party tomorrow.注意：在以下情况中，只能用whetheroA）在动词不定式之前只能用whether女口： I cant decide whether to stay.B）在whether or not的固
6、定搭配中，只能用whether。女口： I want to know whether she is a student or not.C）在介词后，只能用whethero女口： His father is worried about whether he has lost his work .3）表示特殊疑问语气由特殊疑问词引导。特殊疑问词包括疑问代词和疑问副词。A）疑问代词包括 what,who, whom, which,whose, whoever, whatever, whichever等女口：Do you know who （whom） they are waiting for?I d
7、ont know what they want.John told me which girl he liked most.I want to know whose father that old man is.I will give you whatever you want.You can meet whoever you want to see.You can choose whichever you like.B）疑问副词包括 when, where, how, why, whenever,wherever,however等。女口：Could you tell me how we ca
8、n get to the station?He told me when we should go to the airport.I told him where he should go.I dont know why he is so angry.You can come whenever you are free.You can go wherever you like.4）另外：宾语从句可做动词宾语，介词宾语,及某些形容词甚至是副词的宾语.例如：1、He said that he was a student.（that 从句是 said 的宾语）2、宾语从句作介词的宾语，常常有两种情况
9、：A） wh-类的介词宾语从句女口： We are talking about where we should go.疑问代词 where 从句作介词 about 的宾语） The teacher is quite satisfied with what you have done.（疑问代词 what 引导的宾语从句 时介词with的宾语）B）用 that,whether引导的介词宾语从句女口： except,but,besides三个介词后常常可以见到that引导的宾语从句。I know nothing about my new neighbor except that he works
10、in a school.We are talking about whether we should go camping.3、常常用来引导宾语从句的形容词有 :sure, certain, glad, please, happy, sorry, afraid, satisfied, surprisedo That 常常可以省略。女口： I am sure （that） I will pass the exam.Mary was pleased （that） she had passed the final exam. （that 引导的宾语从句是形容词 pleased的宾语）4、I will
11、 find out where he has gone（where引导的宾语从句作副词out的宾语）.三、语序关作宾语从句的句子不管原来是什么语序，在充当宾语从句时都要用陈述语序，即：“引 导词+主语+谓语+宾语+其他”。女口： 1、Tom said. +He is reading a book.f Tom said that he was reading a book.2、He asks me. +Are they playing a game?f He asks me if/whether they are playing a game.（宾语从句，陈述语序）3、Where is the
12、hospital? He told me.f He told me Where the Hospital was.4、I dont know who he is四、时态关宾语从句的时态。宾语从句的时态受主句的限制，既：1）主句是一般现在时态，从句根据实际情况而定。女口： I think he is a clever boy.I think he has gone to Beijing.I think he bought the book yesterday.主句是一般过去时态，从句必须用相应的过去的时态。如果从句的动作发牛在主句之前, 则从句要用过去完成时态。如: he said he was
13、 reading.He said he would go to Beijing tomorrow.He forgot whether he had locked the door.对比理解下列几组句子：例:1）She says that she is a student.She said that she was a student.2）She says that she will fly to Japan in a week.She said that she would fly to Japan in a week.3）She says that she has finished her
14、homework already.She said that she had finished her homework already.4）She says that she can sing a song in English.She said that she could sing a song in English.3、当宾语从句叙述的是客观事实、真理、自然现象、名言警句、谚语等，不管主句是 什么时态，从句一律用一般现在时。例： The teacher said that the earth goes round the sun.（客观真理仍然用一般现在时）He told me that Japan is an island country.（客观事实）
