牛津版高中英语必修3课件（江苏专用）： Unit 2《Section Four Grammar and usage》2.ppt

unit2language taski 什么叫 名词性从句 名词性从句在功能上相当于名词 主语 hisjobisimportant whathedoesisimportant 表语 thisishisjob thisiswhathedoeseveryday 宾语 idon tlikehisjob idon tlikewhathedoeseveryday 同位语 idon tknowabouttheman mr white idon tknowaboutthefactthatheisateacher 名词性从句的定义 在复合句中起名词作用的从句叫名词性从句 nounclauses 名词从句的功能相当于名词词组 它在复合句中能担任主语 宾语 表语 同位语 介词宾语等 因此根据它在句中不同的语法功能 名词从句又可分别称为主语从句 宾语从句 表语从句和同位语从句 practicetime 指出下列各名词性从句的种类 atlunchtime theradioweathermanreportedthatthemistwouldbecomeathickfogintheafternoon 2 shewonderedifthebuseswouldstillberunning 3 thetruthisthatthefogistoothickforthebustorunthatfar 4 shesensedthatshewasbeingwatchedbyatallmaninadarkcoat 5 whenwewillstartisnotclear 6 ihadnoideathatyouwereherfriend objectclause objectclause predicativeclause objectclause subjectclause appositionclause taskii 引导词的由来 句型转换1 theyaregooddoctors hetoldus 2 hehadn tsaidanythingatthemeeting thefactsurprisedus hetoldusthattheyweregooddoctors thefactthathehadn tsaidanythingatthemeetingsurprisedus 总结 当从句原来是陈述句时 变成名词性从句用that引导 3 doesyoursistergetupearly doyouknow 4 doanimalshavethesamesensesashumans ioftenwonder doyouknowif whetheryoursistergetsupearly ioftenwonderif whetheranimalshavethesamesensesashumans 总结 当从句原来是一般疑问句时 变成名词性从句用if或whether引导 5 whendidhebuythisnewbike couldyoutellme 6 myquestionisthis wherewillthelecturebegiven couldyoutellmewhenheboughtthisnewbike myquestioniswherethelecturewillbegiven 总结 当从句原来是特殊疑问句时 变成名词性从句还用原来的特殊疑问词来引导 taskiii 名词性从句的语序 时态及单复数概念 1 thaticanpaybackthehelppeoplegivememakesmehappy 2 itwasgoodnewsthateverybodygotbacksafely 3 shesensedthatshewasbeingwatched 4 thetruthisthatthefogistoothickforthebustorunthatfar 5 whetherhewillcomeornotisunimportanttome 总结 名词性从句必须用陈述句语序 宾语从句的时态必须与主句保持一致 另外 一般情况下 名词性从句均看作单数概念 1 whatweneedismoretime 2 whatweneedaremoreenglishdictionaries practicetime 单句改错 1 thattheearthturnsaroundthesunareknowntoall 2 whenthemeetingwillbeheldhaven tbeenknownyet 3 ididn tknowthatyouwillcome 4 hesaidthatheiswritingastory 5 couldyoutellmewhenwillhearrive 6 youcanbegintoseewhydoesenglishhavesuchstrangerules is hasn t would was hewill englishhas taskiv 名词性从句与it 当主语从句放在句首使句子显得笨重时 一般把它移到句子后面 前面用引导词it作形式主语 what引导的主语从句例外 it sapitythatyoumissedthefilm itmakesnodifferencewhetherhewillattendthemeetingornot itissaidthatthenovelhasbeentranslatedintoenglish 注意 如果句子是疑问形式 就只能用带it的结构了 动词think make feel consider等后常用it作形式宾语来代替that引导的定语从句 weallthoughtitgoodnewsthatthefoghadfinallygone theconductorhasmadeitclearthatnobuseswillberunning iconsideritnecessarythatweshouldaskhimforadvice 巧记 it作形式代词真能干 可把不定式 动名词或从句来代办 而让它们后面站 practicetime 用形式代词it转换下列名词性从句 1 whobroketheglassyesterdayisnotclear 2 whyhedidtheworkiseasytounderstand 3 thatherhairwasturninggreyworriedherabit 4 hehadwonthefirstprize wethoughtitwasgoodnews taskv whether与if的辨用 表 是否 时 在下列情况下用whether a 主语从句b 表语从句c 同位语从句e 介词后的宾语从句f 后接动词不定式 whethertodosth g whetherornot连在一起引导宾语从句时不用if practicetime if whether1 iaskedher shehadabike 2 wewillholdapartyintheopenairtomorrowdependsontheweather 3 we reworriedabout heissafe 4 idon tknow heiswellornot 5 idon tknow ornotheiswell 6 thequestionis heshoulddoit 7 thedoctorcanhardlyanswerthequestion theoldmanwillrecoversoon 8 idon tknow togo 9 youarenotfreetomorrow i llgowithoutyou if whether whether whether whether if whether whether whether whether if taskvi that不可省略的几种情况 1 主语从句 同位语从句中的that不能省略thattheyaregoodatenglishisknowntousall sheexpressedthehopethattheywouldcometochinaoneday 2 宾语从句中的连接词that在以下三种情况下不能省略 1 当that从句与另一名词性从句并列作宾语时 第二个that不能省 2 当that作介词宾语时 that不可省掉 3 用it做形式宾语的宾语从句everyoneknewwhathappenedandthatshewasworried thereasonliesinthatsheworksharderthantheothersdo ithinkitnecessarythatyoushouldreadenglishaloud practicetime 判断下列各句中的that是否可以省略 1 thatshewaschosenmadeusveryhappy 2 shetoldmethatshewouldacceptmyinvitation 3 shesaidthatshewouldgothereonfridayandthatshewouldreturnthenextwednesday 4 wethinkitimportantthatyoushoulddoitatonce 5 ididn ttellhimanythingexceptthatiwasn tbeabletofindmywayback taskvii 表语从句中的that because和why thereasonwhyshewaslatewas hedidn tcatchthebus shewaslate that s shedidn tcatchthebus shedidn tcatchthebus that s shewaslate that because why taskviii 同位语从句pk定语从句 1 weheardthenewsthatourteamhadwonthegame 2 thenewsthatyoutoldusyesterdaywasreallydisappointing 技巧 试加法 成分法 1 thenewswasthatourteamhadwonthegame 2 thenewswasthatyoutoldus practice 判断下列各句是同位语从句还是定语从句 1 theyexpressedthehopethattheywouldcometovisitchinaagain 2 thehopethatsheexpressedisthattheywouldcometovisitchinaagain 3 thefactthatsheworkshardiswellknowntousall 4 ican tstandtheterriblenoisethatsheiscryingloudly 同位语从句 定语从句 同位语从句 同位语从句 综合测试 1 thequestionis thefilmisworthseeing a ifb whatc whetherd how2 newscame thestudentswouldputofftheoutinguntilnextweek whentheywouldn tbebusy a thatb whenc whichd whether c a 3 what sthematterwithyou youhavenoidea a howiwasworriedb howworriedwasic howwasiworriedd howworriediwas4 ihadneitheraraincoatnoranumbrella that s igotwellallthrough a howb becausec whyd that5 heisabsenttoday that s heisill a whenb becausec whyd that d c b 6 whetherthesportsmeetwillbeheld yet a hasn tdecidedb aren tdecidec haven tbeendecidedd isn tdecided7 hespokeatthemeetingistrue but hesaidisn tinteresting a what whatb that whatc that thatd what that d b 8 isdisappointingthatyoucan tcometomybirthdaypartythedayaftertomorrow a itb thisc t