八年级从属连词that及if_whether和疑问词引导的宾语从句__详细ppt课件 复习进程.ppt
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1、八年级从属连词that及if_whether和疑问词引导的宾语从句_详细课件宾语从句概念:句子的宾语一般由名词、代词、动名词或动词不定式充当,当一个句子充当宾语时,我们把这个句子叫做宾语从句。(一般句子的主要成分都是主语谓语宾语,从句的意思是句子里面还有句子,宾语从句就是说由一段句子作宾语的句子)宾语从句的三要点:1、引导词2、从句语序3、从句的时态不同引导词引导的宾语从句宾语从句可分为三类1.从属连词that引导的宾语从句2.从属连词if,whether 引导的宾语从句that引导表示陈述句的宾语从句而if 和whether 引导表示“是否”的宾语从句.2.由连接代词 Who,whom,wh
2、ose,which,what 和连接副词 where,how,why,when引导的宾语从句在疑问词引导的宾语从句中,一定要用陈述语序。由从属连词that引导的宾语从句e.g.1.Ihear(that)hewillbebackinanhour.(我听说一小时后他会回来)1.Hesaid(that)hemissedusverymuch.(他说他非常想念我们)1.Theteachertoldus(that)theearthmovesaroundthesun.(老师告诉我们地球围着太阳转)由从属连词that引导的宾语从句注:that 在句中无词汇意义,在从句中不能充当成分,在口语中that 往往可以
3、省略当谓语动词表示肯定的概念,如“希望”“相信”“知道”或“说”时,起后面的句子一般用that引导。例如:Ihope(that)itwillsnowthiswinter.Ibelieve(that)weshallbecomegoodfriends.Bettythinks(that)treescanimprovetheair.当主句的谓语是think,believe 等动词时,某后作宾语的that从句如果否定意义,通常将否定词not移至主句动词之前。否定转移Idontthinkheishavingameeting.Idontbelieve(that)weshallbecomegoodfriend
4、s.由从属连词that引导的宾语从句 温馨提示:并非所有的动词后面都可以接that引导的宾语从句。常接that引导的宾语从句的谓语动词有:believe,expect(希望),explain(解释),feel,hear,hope,imagine(猜想),prefer(提出),promise(承诺),report(报告),say,see,tell,think,understand,warn(提醒),wish 等。由从属连词whether,if 引导的宾语从句 如果要表达像“他不知道他们周六是否会去植树”或“我记不清以前是否见过他”这样的不确定的概念时,从句就要用whether 或if 来引导,不
5、能用that。例如:HedoesnotknowwhethertheywillplanttreesonSaturdayornot.Heaskedwhether/ifwewillgofishingonSunday.Tomwantstoknowwhether/ifheneedstocomeearlytomorrow.思考:有两个引导词,一个是whether,一个是if,应该如何选择?注意在下列情况下一般用whether,而不用if.Iaminterestedinwhetherhellgotohaveapicnic作介词的宾语时,用whether,而不用if.Whetherthisistrueorno
6、t,Iamnotsure.whether 引导的从句可移到主句之前而if不能。注意在下列情况下一般用whether,而不用if.3、当句末为or not时,引导词只能用whether而不能用if.Idontknowwhetheritisgoingtorainornot.(是否要下雨)4、在不定式前,引导词只能用whether而不能用if.Ihaventmadeupmymindwhethertogothereornot.由连接代词who,whom,whose,which,what及连接副词when,where,how,why引导的宾语从句1.Heaskedwhocouldanswertheque
7、stion.(谁能回答这个问题)2.Doyouknowwhomtheyarewaitingfor.(他们在等谁)3.Heasked whosehandwritingwasthebestintheclass.(谁的书法是班上最好的)4.Pleasetellmewhenwewillhaveameeting.(我们什么时候开会)5.Canyoutellmewhereheis.(他在哪儿)6.CouldyoutellmehowIcangettothestation.(我该怎么去车站)7.Wouldyoutellmewhythetrainislate.(为什么火车迟到了)二、从句语序:一律用陈述语序主句
8、+引导词+主语+谓语动词+其他 HeaskedmewhenIarrivedinShanghai.Iwanttoknowwheretheywillgo.Couldyoutellmewhatyouarereading?Idontknowwherehelives.请注意看红色字体的语序e.g:Could you tell me how I can get to the Science Museum?He asked him where he came from.Did you know whats the name of the handsome boy in the classroom yeste
9、rday?Please tell me where I can buy the beautiful flower.三.主从句的时态呼应 1.主句是一般现在时,从句可以用任何时态。2.主句是一般过去时,从句用过去范畴的时态。3.主句是一般过去时,但从句表达的是客观真理或自然现象时,仍然用一般现在时。e.g:Hesaysthatheisreadingabooknow.Hesaidthathewouldworkhard.TheysaidtheyhadbeentoFrance.Thestudentsaskedmeiftheearthgoesroundthesun.具体的时态的变化 1.当主句是一般现在
10、时,宾语从句的时态不作限制,我们可以根据句子的意思来使用需要的任何一种时态。e.g:I hear(that)Tom has been to Guilin twice.I hear(that)she will come tomorrow.I hear(that)Jim went to work an hour ago.I hear(that)he is interested in English.2.当主句是一般过去时的时候,宾语从句必须运用相应的过去的某一种时态,从而达到主句和从句的相互一致。e.g:He said(that)he would go to Xian.He said(that)h
11、e was ill yesterday.He said(that)he was reading a book.He said(that)he had had supper already.3.当宾语从句说明的是客观存在的事实或者是客观存在的真理时,就不用受到主句时态的限制,仍是用一般现在时态。e.g:He said that the sun is much bigger than the moon.The teacher told the students that light travels faster than sound.The PE teacher said that doing m
12、orning exercise is useful to our health.四.宾语从句的标点符号标点符号:宾语从句末尾的标点符号由主句决定,不受从句的限制。如果主句是陈述句或者是祈使句时用句号;而主句是疑问句时,句末则用问号。e.g:Heaskedmeif/whetherIcouldhelphim.DoyouknowwhereLiPingis?Pleasetellmewhichcolouryoulikebest.Wouldyoupleasetelltheteacherhowoldyouare?4Could you tell me _?Im going to see him Sorry,I
13、 dont know A.where does Mr Li live B.where did Mr Li live C.Where Mr Li lives D.where MrLi lived Directspeech直接引语Reportedspeech间接引语.直接引述别人的话,要加引号用自己的话转述别人的话,不用引号Theboysaid,“Imreadingabook.”Directspeech直接引语Theboysaid(that)hewasreadingabook.Reportedspeech间接引语.直接引语变间接引语与宾语从句的关系陈述句变为that引导的宾语从句e.g.1.Hes
14、aid,“YouareyoungerthanI”.2.Hesays,“Tomisagoodstudent”.He said(that)I was younger than him.He says(that)Tom is a good student.人称变化 一主Shesaid.Mybrotherwantstogowithmetomorrw.Shesaidherbrotherwantedtogowithherthenextday.二宾Jacksaidtome,“Youlookworriedtoday.”JacktoldmethatIlookedworriedthatday.三不变Theteac
15、hersaid,“Lilyisagoodstudent.”TheteachersaidthatLilywasagoodstudent.1陈述句直接引语如果是陈述句,变为间接引语时,用连词that引导(that在口语中常省略)一般现在时Hesaid,“IcandowellinEnglish.”现在进行时Hesaid,“Imwritingaletter.”一般将来时Tomsaidtome“Iwillcallyoutomorrow”一般过去时过去进行时过去将来时HesaidthathecoulddowellinEnglish.Hesaidthathewaswritingaletter.Tomtold
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