名词性从句考点引导词that与whatthat与whetherif与.ppt

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1、名词性从句考点引导词that与whatthat与whetherif与 Still waters run deep.流静水深流静水深,人静心深人静心深 Where there is life,there is hope。有生命必有希望。有生命必有希望RelatedConception(相关概念相关概念)1.名词名词:表示人或事物的名称的词叫名词。表示人或事物的名称的词叫名词。2.名词在句子当中一般可以作什么成分名词在句子当中一般可以作什么成分?名词在句中主要作主语、宾语、表语和名词在句中主要作主语、宾语、表语和同位语。同位语。TheboyisliMing.主语表语Mr.Liang,a24-yea

2、r-oldboy,teachesusEnglish.主语同位语宾语在英语的句子结构中，本来该由名词充当的主语、宾在英语的句子结构中，本来该由名词充当的主语、宾语、表语和同位语，由一个句子来充当语、表语和同位语，由一个句子来充当,这个句子就叫这个句子就叫名词性从句。名词性从句。什么是名词性从句什么是名词性从句?名名词词性性从从句句主语从句主语从句(TheSubjectClause)宾语从句宾语从句(TheObjectClause)表语从句表语从句(ThePredicativeClause)同位语从句同位语从句(TheAppositiveClause)宾语从句宾语从句如何区分宾语从句？They k

3、now the teacher.主语 谓语 宾语They know the teacher is a man.主语 谓语 宾语从句 句子做宾语就是宾语从句。1.Wewonderhowweshalldo.2.Couldyoutellmewheretheyare?3.Webelievethattheyhavefinished4.theirtask,havntwe?5.4.IamsorrythatIdidntknowyou6.wanttojointheParty.找出下列句中的宾语从句宾语从句的注意事项（一）宾语从句的注意事项（一）引导词引导词 句子类型句子类型that(有时可省略有时可省略)陈述句

4、陈述句一般疑问句一般疑问句If/whether特殊疑问词特殊疑问词特殊疑问句特殊疑问句宾语从句中的连接词宾语从句中的连接词that有时可省有时又不可省，在以有时可省有时又不可省，在以下几种情况中下几种情况中that不能省略：不能省略：、当、当that宾语从句中间有插入词语宾语从句中间有插入词语,that不可省不可省Hejudgedthat,becausehewasachild,hedidnotunderstandwhathehadsaid.当当that从句有并列从句时，从句有并列从句时，that不能省；不能省；Everyoneknewwhathappenedandthatshewasworri

5、ed.当多个当多个that从句作并列宾语时从句作并列宾语时,前面从句的前面从句的that可省可省可不省可不省,但最后一个但最后一个that不可以省不可以省Heknows(that)hisEnglishteacherisfromEnglandandthatshehastwochildren.当当that作介词宾语时，作介词宾语时，that不可省掉。不可省掉。如：如：Thereasonliesinthatsheworksharderthantheothersdo注意事项（二）从句时态 主句时态现在时/将来时相应任何时态过去时相应过去任何时态宾语从句中主句和从句的时态保持一致，但宾语从句中主句和从句

6、的时态保持一致，但如果从句中表示的是客观现象，虽然主句是如果从句中表示的是客观现象，虽然主句是过去时态，从句仍用一般现在时过去时态，从句仍用一般现在时。如：。如：Theteachertoldusthatlighttravelsataveryhighspeed.名词性从句在句中要用陈述句语序名词性从句在句中要用陈述句语序。如：。如：Heaskedmewhereweshouldmeet.1）在 think,believe,suppose,expect,guess 等动词后的否定前移问题；2）在 hope,believe,imagine,suppose,guess,think,expect,tell

7、,say,fear 以及 be afraid 等词语后，可用 so 代替一个宾语从句(指代上文涉及之事)。注意事项（三）6.关于关于doubt肯定句中doubt后跟if/whether，否定句中doubt后面跟that.sb.doubts if/whether.sb.doesnt doubt that.There is no doubt that.There is no doubt that he will win the game.practice单项选择 1.I dont know_ we can live on the island without any food.A.where B

8、what C how D that2.Could you tell me _?A Where is the part?B Whos on duty?C Whose book is this?D What are they doing?3 The teacher told us that the earth _around the sun.A moved B moves C move D moving4.Could you tell me _?A if he would come tomorrowB will he come tomorrowC whether he will come tomo

9、rrowD If he comes tomorrow4.I did nt know that Mr.Smith _yet.A.Has returned B has returned B.C had returned D returned BBCCC表语从句表语从句用做表语的从句叫表语从句位置：位置：一般放在系动词一般放在系动词be,后后.The problem is thatwehavelittlemoney.That is whathewantsustodo.That is whereshegothermastersdegree.表语从句的连接词(四大类)1.that 引导的表语从句,本身无

10、意义,但不能2.省略.3.2.whether 引导的表语从句意为:“是否”.不能 用 if 替代.3.what,which,who,whom,whose可在表语4.从句中充当“主语,宾语,定语,有自己的词义.5.4.where,when,why,how 6.在表语从句中可充当时间,地点,方式,原因状语.1.The mothers question was that she 2.has no time to look after her daughter.3.2.The question is whetherthat boy will 4.turn up in time.5.3.Tom is n

11、o longer what he used to be.6.4.That is where I cant agree with you.无义是否.的样子的地方特殊用法:1.because 引导的表语从句.的结构.2.as if/as though引导的表语从句常在连系 动词 look ,seem,sound,be,become 后面.My anger is becauseyouhavntfinishyourhomework.It seemed asifthebrotherswereplayingajokeonHenrry.1.Please tell me you will go to the

12、leacture tomorrow.2.It all depends on the sky will clear up.3.The question is the film is well worth seeing.4.He will be well tomorrow I am not sure.5.it is true remains a problem.关联词比较whether /ifwhether/ifwhetherwhetherwhetherwhetherwhether和和if的用法的用法whether可用于介词之后可用于介词之后.Italldependsonwhethertheywi

13、llcomebackwhether可用于不定式之前可用于不定式之前Ihavenotdecidedwhethertogoornot.后面直接跟后面直接跟ornot时用时用whether。.IdidntknowwhetherornothehadarrivedinWuhan主语从句，表语从句，同位语从句句首中只主语从句，表语从句，同位语从句句首中只能用能用whether，宾语从句中则两者都可，宾语从句中则两者都可Whetherthemeetingwillbeputoffhasnotbeendecidedyet.whether可引导一个让步状语从句表示可引导一个让步状语从句表示“不不管管”、“无论无论

14、”，而，而if不能。不能。If表示表示“如果如果”时，时，不能用不能用whether。Whetherhecomesornot,wewillbeginourpartyontime.IfIhaveenoughtime,Iwillplayfootball.1.I think it is unnecessary for me to speak louder.2.His mother is satisfied with he has done.3.he was able to come made us happy.4.This is makes us interested.5.The reason was Tod had never seen the million pound note before.what /that(that)what(That)what(that)所引导的从句是否缺(主语,表语,宾语)汉语意义能否省略what 缺什么;所.的(东西/事情)不能省略that不缺无意义引导宾语从句时可省略.what=the thing that