宾语从句讲解ppt演示教学.ppt

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1、宾语从句讲解ppt一宾语从句的连接词1.由从属连词由从属连词that引导的宾语从句：引导的宾语从句：that在句在句中无词汇意义，在从句中不能充当成分，在中无词汇意义，在从句中不能充当成分，在口语中往往省略口语中往往省略。例如：He said(that)he wanted to stay at home.She doesnt know(that)she is seriously ill.I am sure(that)he will succeed.2.if/whether引导宾语从句。意为是否，仅引导宾语从句。意为是否，仅起连接作用，起连接作用，if/whether在从句中不作任何成在从句中不

2、作任何成分。分。Could you tell me if/whether its polite to speak loudly at the table?I dont know if/whether you are right.I dont know whether you are right or not.3.由连接代词由连接代词Who,whom,whose,which，what 和连接副词和连接副词 where,how,why,when引引导的宾语从句，这些连接代词和连接副词在宾导的宾语从句，这些连接代词和连接副词在宾语从句中充当某个成分。语从句中充当某个成分。例如：例如：Do you k

3、now who(whom)they are waiting for?He asked whose handwriting was the best.Can you tell me where the No.3 bus stop is?I dont know why the train is late.考点归纳考点归纳(1)宾语从句的连接词宾语从句的连接词1.that 只起连接作用，在句子中不做句子成只起连接作用，在句子中不做句子成分，在口语中常被省略分，在口语中常被省略2.If 和和 whether 起连接作用，不做句子成分。起连接作用，不做句子成分。（注意：与注意：与 不定式连用；做介词的宾

4、语；与不定式连用；做介词的宾语；与 or not 连用连用用用 whether。)3.疑问词疑问词 who、what、when、where、whom、whose、why、how、which 在句子中既起连接作用，又做句子成在句子中既起连接作用，又做句子成分。分。二.宾语从句的语序宾语从句的语序应为陈述句的语序。例如：I hear(that)physics isnt easy.I think(that)you will like this school soon.Can you tell me how I can get to the zoo?Please tell me when well h

5、ave the meeting.考点归纳考点归纳(2)宾语从句的语序宾语从句的语序宾语从句的语序是陈述句（即主语宾语从句的语序是陈述句（即主语+谓语）的谓语）的顺序。顺序。选一选：(1)Can you tell me _?(A.whom do we have to see B.whom we have to see)(2)The teacher asked the students _.(A.what they were doing B.what were they doing)(3)She wants to know_.(A.where does he live B.Where he liv

6、es)(4)Her father asked _.(A.who the tallest is B.who is the tallest)(5)Do you know _?(A.what is on the desk B.what on the desk is)参考答案：BABBA三.宾语从句的时态1.如果主句的时态是一般现在时，宾语从句该用如果主句的时态是一般现在时，宾语从句该用什么时态就用什么时态。即，从句可用所需的任什么时态就用什么时态。即，从句可用所需的任何时态。何时态。如：I dont think(that)you are right.Please tell us where he i

7、s.Can you tell me how I can get to the railway station?He says Mary is playing with the cat.He says Mary often plays with the cat.He says Mary will play with the cat.I think he left yesterday morning.2.如果主句的时态是一般过去时，宾语从句只能用相应的过去时态（一般过去时，过去进行时，过去将来时，过去完成时）。例如：He asked what time it was.He told me that

8、 he was preparing for the sports meet.He asked if you had written to Peter.He said that he would go back to the U.S.soon.He said,“Mary is playing with the cat.”He said Mary was playing with the cat.He said,“he will go back to China soon.”He said he would go back to China soon3.如果宾语从句所陈述的是客观真理，其时态常用一

9、般现在时，不受主句时态的限制。例如：Our teacher said that January is the first month of the year.Scientists have proved that the earth turns around the sun.The teacher said,“the moon moves around the sun.”The teacher said that the moon moves around the sun.He said,“light travels much faster than sound.”He said light

10、travels much faster than sound.4、当主句为 Could you(please)tell us-?时，只表示语气，而不表示过去时态。考点归纳(3)宾语从句的时态1、当主句动词为一般现在时，从句可用所需的任何时态。2.当主句动词为一般过去时，宾语从句只能用相应的过去时态（一般过去时、过去进行时、过去将来时、过去完成时）。3.当宾语从句为客观真理时，用一般现在时态，不受主句时态的限制。4.当主句为 Could you(please)tell us-?时，只表示语气，而不表示过去时态。有关宾语从句的补充说明1)、宾语从句的标点由主句决定。He doesnt know w

11、ho he is(.)Does he know who he is(?)2)、主句的谓语动词是think,believe,imagine,suppose,consider,expect,fancy,guess等,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.I think he isnt a student.I dont think he is a student.I dont think he is a student.Is he?如果宾语从句中有某个含有否定意义的形容词或副词,其反义疑问句要用肯定形式.We find that he never listens to the teacher carefully,does he?此课件下载可自行编辑修改，仅供参考！此课件下载可自行编辑修改，仅供参考！感谢您的支持，我们努力做得更好！谢谢感谢您的支持，我们努力做得更好！谢谢