Unit1ScienceandScientistsDiscoverusefulstructures課件高中英語人教版選擇性

Unit1ScienceandScientists

Period3DiscoveringusefulstructuresThePredicativeClauseswhat

在表語從句中充當______________

表示____________________________.1.Thequestionis

whatcausedtheaccident.2.Thatmountainisnolongerwhatitusedtobe.3.Whathetoldyouwaswhat

hadbeendiscussedatthemeeting.主語、表語、賓語什么，什么樣子，或所…的（人或事）3.引導詞的用法(what)主語表語賓語引導詞的用法Theuseofconjunctionwords

who在表語從句中充當______________

表示____.Theproblemiswhocoulddothework2.Mytroubleiswho(whom)I

canturnto.主語、賓語或表語誰4.引導詞的用法(who)主語賓語引導詞的用法Theuseofconjunctionwords

which在引導表語從句時,常充當_____________

表示

。

Ireadaboutitinsomebookoranother,butwhatIdon’tknowiswhich(book)itis.

定語,表語其/當中哪一個5.引導詞的用法(which)定語引導詞的用法Theuseofconjunctionwords由asif,asthough引導表語從句，表示

。句子中的系動詞常用look,appear,seem等。1.It

looks

asifitwasgoingtorain.2.Theyoungmanwithlonghairlooks

asifhewereagirl.

6.引導詞的用法（asif,asthough）好像引導詞的用法Theuseofconjunctionwords引導詞Conjunctionwords引導詞用法從屬連詞that無成分，無意義Whether無成分，意為“是否”連接代詞what,which,who,whom,…+ever,whose在從句中充當主語，賓語，表語，定語連接副詞how,when,where,…+ever,why在從句中充當狀語其它連接詞because,asif,asthough因為，好像，似乎1.表語從句一定是個陳述語序。Thequestioniswhetheristheenemymarchingtowardsus.2.if可以引導賓語從句，但是不能引導表語從句，引導表語從句表達“是否”只能用whether：Thequestioniswhetherhehaspassedthetest.ATTENTION!!!表語從句的注意事項3.that引導表語從句時，和賓語從句不同，that不可省略。WhatIsaidwasthatIwouldgivehimabetterone.Thereasonwhyheislateforschoolis________

he

missedthebus.2.Whywedecidedtoputoffthefootballmatchis

________

theweatherwastoobad.thatthat當主句的主語是_____________或why引導的__________時常用______來引導表語從句，而不用because。thereason主語從句thatAttention3.Ithinkthat’s

_____

hewassoangry.4.Ithinkitis________

youaredoingtoomuch.5.Thereason______hewassolateis_____itwasraininghard.whybecausethat/this/it+is/was+why+________(原因/結果)

表示“_________________________”that/this/it

+is/was+because+_______(原因/結果)

表示“________________________”thereasonwhy…isthat…中why是引導_________，that引導的是_________，表示“___________________”。這/那就是……的原因原因這/那就是因為……結果whythat定語從句表語從句……的原因是……AttentionThisis__________Iwant.MyEnglishislimited.Thisis_______IhatereadingEnglishbooks.Thevillageis_________Iusedtospendmyholiday.Heismyfavoritesinger.Itis________Ireallylovethewayhebehaves.Thetroubleis__________weareshortoffunds.Myproblemis__________coatissuitableforme.I’d

like

to

startmyownbusiness—that’s____IwanttodoifIhadthemoney.WhatIwanttoknowis_______willsupportme.whatwherewhybecausethatwhichwhatwhoActivityLearningandpractice1.Myworryisifhecangetthereontime.2.Thereasonwhyhefailedwasbecausehehadn’tstudiedhard.3.Myadviceisthatheseesthedoctorrightaway.4.Thetroubleiswhatweareshortofmoney.thatPracticewhetherthatsee即學即練改錯即學即練learningandpractice1.Heiscarelessandirresponsible.Thatwas_______hewasfired.2.Hewasfired.Thatwas_________heiscarelessandirresponsible.3.Thereason_______hewasfiredwas________hewascarelessandirresponsible.whybecausewhythatRule6:引導詞that,because,why的區(qū)別：描述原因用that或because.描述結果用why即學即練learningandpracticeThisis__________Iwant.MyEnglishislimited.Thisis_______IhatereadingEnglishbooks.Thevillageis_________Iusedtospendmyholiday.Itis___________Ireallylovethewayhebehaves.Thetroubleis__________weareshortoffunds.Myproblemis__________coatissuitableforme.I‘

d

like

to

startmyownbusiness—that’s________IwanttodoifIhadthemoney.WhatIwanttoknowis_______willsupportme.whatwherewhybecausethatwh