Unit1ScienceandScientistsDiscoverusefulstructures课件高中英语人教版选择性

Unit1ScienceandScientists

Period3DiscoveringusefulstructuresThePredicativeClauseswhat

在表语从句中充当______________

表示____________________________.1.Thequestionis

whatcausedtheaccident.2.Thatmountainisnolongerwhatitusedtobe.3.Whathetoldyouwaswhat

hadbeendiscussedatthemeeting.主语、表语、宾语什么，什么样子，或所…的（人或事）3.引导词的用法(what)主语表语宾语引导词的用法Theuseofconjunctionwords

who在表语从句中充当______________

表示____.Theproblemiswhocoulddothework2.Mytroubleiswho(whom)I

canturnto.主语、宾语或表语谁4.引导词的用法(who)主语宾语引导词的用法Theuseofconjunctionwords

which在引导表语从句时,常充当_____________

表示

。

Ireadaboutitinsomebookoranother,butwhatIdon’tknowiswhich(book)itis.

定语,表语其/当中哪一个5.引导词的用法(which)定语引导词的用法Theuseofconjunctionwords由asif,asthough引导表语从句，表示

。句子中的系动词常用look,appear,seem等。1.It

looks

asifitwasgoingtorain.2.Theyoungmanwithlonghairlooks

asifhewereagirl.

6.引导词的用法（asif,asthough）好像引导词的用法Theuseofconjunctionwords引导词Conjunctionwords引导词用法从属连词that无成分，无意义Whether无成分，意为“是否”连接代词what,which,who,whom,…+ever,whose在从句中充当主语，宾语，表语，定语连接副词how,when,where,…+ever,why在从句中充当状语其它连接词because,asif,asthough因为，好像，似乎1.表语从句一定是个陈述语序。Thequestioniswhetheristheenemymarchingtowardsus.2.if可以引导宾语从句，但是不能引导表语从句，引导表语从句表达“是否”只能用whether：Thequestioniswhetherhehaspassedthetest.ATTENTION!!!表语从句的注意事项3.that引导表语从句时，和宾语从句不同，that不可省略。WhatIsaidwasthatIwouldgivehimabetterone.Thereasonwhyheislateforschoolis________

he

missedthebus.2.Whywedecidedtoputoffthefootballmatchis

________

theweatherwastoobad.thatthat当主句的主语是_____________或why引导的__________时常用______来引导表语从句，而不用because。thereason主语从句thatAttention3.Ithinkthat’s

_____

hewassoangry.4.Ithinkitis________

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

表示“_________________________”that/this/it

+is/was+because+_______(原因/结果)

表示“________________________”thereasonwhy…isthat…中why是引导_________，that引导的是_________，表示“___________________”。这/那就是……的原因原因这/那就是因为……结果whythat定语从句表语从句……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即学即练改错即学即练learningandpractice1.Heiscarelessandirresponsible.Thatwas_______hewasfired.2.Hewasfired.Thatwas_________heiscarelessandirresponsible.3.Thereason_______hewasfiredwas________hewascarelessandirresponsible.whybecausewhythatRule6:引导词that,because,why的区别：描述原因用that或because.描述结果用why即学即练learningandpracticeThisis__________Iwant.MyEnglishislimited.Thisis_______IhatereadingEnglishbooks.Thevillageis_________Iusedtospendmyholiday.Itis___________Ireallylovethewayhebehaves.Thetroubleis__________weareshortoffunds.Myproblemis__________coatissuitableforme.I‘

d

like

to

startmyownbusiness—that’s________IwanttodoifIhadthemoney.WhatIwanttoknowis_______willsupportme.whatwherewhybecausethatwh