Unit5WorkingtheLandDiscoverUsefulStructures课件高中英语人教版选择性

Unit5

DiscoveringUsefulStructuresInthisclasswewillIdentifysubjectclauses,chooseproperleadingwordsandarrangecorrectwordorderofsubjectclauses.FollowtheruleofSubject-PredicateAgreementwhenusingsubjectclauses.TolearnhowtoidentifytheusesofnounclausesTohavestudentspracticewhattheyhavelearntaboutnounclausestomakeapresentationLearningobjectivesStepILead-in句子类型简单句并列句复合句主句从句状语从句（副词性从句）定语从句（形容词性从句）名词性从句主语从句宾语从句表语从句同位语从句StepIIPresentationUnderlinethesubjectineachsentence.1.Researchersarehopingtofindacureforthedisease.2.Shewentoutinahurry.3.Fourplusthreeisseven.4.Toseeistobelieve.5.Smokingisbadforhealth.6.Whathesaidistrue.名词代词数词动词不定式动名词主语从句Summary:主语是句子中说明人或事物的词，一般放在__________。在句子中充当主语的从句称为___________。句首主语从句StepIIPresentationThatshewaschosen

madeatremendousstirinhervillage.Whythewomanwasmurdered

isstillaquestion.Whetheritwilldousharm

remainstobeseen.It

doesn'tmakeanydifferencewhereyoucamefrom.Whenyoucanmakeit

dependsonyourefforts.Summary:主语从句：由一个句子充当主语成为主语从句。1.位置：2.语序：句首陈述语序StepIIPresentationThatshewaschosen

madeatremendousstirinhervillage.Whythewomanwasmurdered

isstillaquestion.Whetheritwilldousharm

remainstobeseen.It

doesn'tmakeanydifferencewhereyoucamefrom.Whenyoucanmakeit

dependsonyourefforts.Whichfilmwewillwatch

isstillaquestion.Whathesaid

isnotimportant.Circletheleadingwords.StepIIPresentationThat

youarecomingtoLondon

isagoodnewstous．Thattheseasarebeingoverfished

hasbeenknownforyears.Summary引导词成分意义省略that无无不能StepIIPresentationWhetherwewillgoforanoutingtomorrow

remainsunknown.Whetheryoucanmakeit

dependsonyoureffort.Summary引导词成分意义省略whether无是否不能StepIIPresentationWhoshouldberesponsiblefortheaccident

isunknown.Whomtheywillchoose

isasecret.Whosegradesarebetter

iscomingoutsoon.Whichfilmwewillwatch

isstillaquestion.Summary引导词成分意义省略who主语谁不能whom宾语谁whose定语谁的which定语哪一个Wherewewillspendourholiday

hasnotbeendecided.Whenyoucanmakeit

dependsonyourefforts.Whytheydidn'tcome

isstillunknowntous.Howyouthinkandact

willinfluenceyourlife.StepIIPresentationSummary引导词成分意义省略where地点状语在哪里不能when时间状语在什么时候why原因状语什么原因how方式状语怎么；怎样Whoeverpollutestheenvironment

shouldbepunished.Whatevershedid

wasright.Whicheverofyouwins

willreceiveaprize.StepIIPresentationSummary引导词成分意义省略whoever主语无论谁不能whatever宾语无论什么whichever主语无论哪一个Whatsurprisedme

waswhyhedidthat.Whathesaid

ispurenonsense.Whatyourtelephonenumberis

remainsamystery.StepIIPresentationSummary引导词成分意义省略what主语宾语表语所...的是什么什么...不能StepIIPresentationSummary连接词类别说明that;whether从属连词1.不做成分；2.起连接作用who;whom;what;which;whose;whoever;whatever;whichever连接代词充当主语,宾语,表语,定语等成分when;where;why;how连接副词充当时状,地状,原因状,方式状等成分StepIIPresentation__________hedidn’tattendthemeetingisstrange.__________shelikesconcernsme.__________stolethatbookwillbepunished.第一步：找从句，看是否缺成分第二步：不缺成分----that/whetherThat第三步：缺成分----主、宾、定、表who/whom/what/which/whose/wh-ever第四步：缺成分----状when/where/why/howWhatWhoeverStepIIIExercise1.__________tosolvethisquestionisunkonwntous.2.__________hequithishigh-payingjobisnotdifficulttounderstand.Hewantedtostartuphisownbusiness.3.__________thenewchemicalpesticideiseffectiveremainstobeseen.4.__________hemadeanimportantspeechatthemeetingwastrue.5.__________hesaidwasright.6.Everyyear,__________makesthemostbeautifiulkitewillwinaprizeintheKiteFestival.7.Yoursupportisimportanttoourwork.__________youdidhelpedusalot.8.__________willbeourmonitorhasn'tbeendecidedyet.9.Itisuncertain__________hecancometoJenny'sbirthdaypartyornot.HowWhyWhetherThatWhatwhoeverWhatWhowhetherStepIVPresentation1.Thatlighttravelsinstraightlinesisknowntousall.2.Whentheplaneistotakeoffhasnotbeenannounced.It

isknowntousall

thatlighttravelsinstraightlines.

It

hasnotbeenannounced

whentheplaneistotakeoff.

Summary:由连接词that引导的主语从句，为避免头重脚轻，大多数情况下会把主语从句放在句子后免，而用_____充当形式主语。itStepIVPresentation1.Itisacommonknowledgethatthewhaleisnotafish.

2.Itisapitythatyoumissedthefilm.Summary:

Itis+名词+主语从句1.Itisafactthat... 事实是...2.Itisapitythat... 很遗憾...

3.Itisnowonderthat... 难怪...4.Itisagoodideathat... ...是一个好主意StepIVPresentation1.Itisessentialthatheshouldbeherebytheweekend.

2.Itisclearthattheybadlyneedhelp.Summary:

Itis+形容词+主语从句1.Itisnecessarythat...(should)+V.原

...是必须的2.Itisobviousthat... ...是明显的

3.Itislikelythat... ...是可能的4.Itisunusualthat... ...是不寻常的StepIVPresentation1.Itisthoughtthatheisthebestplayer.

2.Itissuggestedthatstudents(should)finishtheiressayatschool.Summary:

Itbe+过去分词+主语从句1.Itissuggestedthat...(should)+V.原

人们建议...2.Itisannouncedthat...(should)+V.原

据宣称...

3.Ithasbeenprovedthat... 已证明...4.Itissaidthat... 据说...StepIVPresentation1.Itseemsthattheywillwinthegame.

2.IthappenedthatIsawhimyesterday.Summary:

It+不及物动词+主语从句1.Itseemsthat... 似乎...2.Ithappenedthat...

碰巧...

3.Itappearsthat... 似乎...4.Itoccurredthat... 碰巧发生...StepIVPresentation1.Wherehadshegoneisstillunknowntousall.()

2.Whereshehadgoneisstillunknowntousall.()√1.Whathesawbothsurprisedandfrightenedhim.()

2.Whatdidheseesurprisedandfrightenedhim.()√Summary:主语从句的语序为___________。陈述语序StepIVPresentation1.Whetherheiscomingisstillunknowntousall.

2.Whetherheiscomingornotisstillunknowntousall.Summary:whether引导的主语从句，可以转换为_____为形式主语的句子，whether可以和_____互换。如果主语从句中有__________，则不能与if互换。itIt

isstillunknowntousall

whether/ifheiscoming.

ifornotStepVExercise1.Itissuggested

sunscreenshouldbeappliedeveryonetotwohoursinasunnyday.

2.

I’mconcerned

aboutmostiswhetherwecancollectahugeamountofinformationinsuchashorttime.3.

weneed

morefooddependsonhowmanypeopleturnup.4.

thenew

roadisopentotraffichasnotbeenmadeclear.5.Whetheritwilldousharmorgood

(remain)tobeseen.

thatWhatWhetherWhenremainsStepVExercise6.Whatareusedaschiefbuildingmaterialstoday

(be)steelandconcrete.

7.Whatmakesitdifferentfromothers

(be)thatthevegetablesherearegrownwithoutanychemicalfertilizer.

8.Forexample,

breaksthetrafficrulesshouldbepunished.9.

peoplecutdowntoo

manytreesdestroyedthebalanceofnature.