新版译林高中英语课件Unit 2 Out of this world Grammar and usage 课件-2021-2022学年高二英语牛津译林版（2020）选择性必修第三册.pptxVIP

Unit2OutofthisworldGrammarandusageSubjectclauses

（subject）主语WangYibowasoneofmyboyfriends.HewasborninLuoyanin1997.FallingInLoveishisworks.Marryinghimismydream.Tobecomepopularisnoteasy.

什么是(clause)从句?只要是（连词+句子）的这种形式出现在一个句子当中

请观察下列句子,find主语从句的特点？

1.Thattheearthtravelsroundthesunisawell-knownfact.2.Whethertheartistcandoitornotisuncertain.3.Whowillacttheleadintheplayhasnotbeendecidedyet.4.Wheretheyoungmanhasgoneisnotknown.5.Whenandwherethetestwillbegivenisnotyetdecided.语序？连词？连词意义？连词成分？

总结

在复合句中充当_______成分的句子叫做主语从句。（1）引导主语从句的词有______________________________（2）主语从句必须有引导词，一般位于_____________，（能否省略）_________（3）主语从句大多数情况下视为______(单数/复数)（4）主语句用从__________语序。(陈述语序/倒装语序)主语that,whether和特殊疑问词主语从句的句首不能单数陈述语序

1.Whatisasubjectclause?2.Whatcanintroduceasubjectclause?Lead-inAsentencethatactsasasubjectinacompoundsentenceiscalledasubjectclause.Weuseconjunctions,conjunctivepronounsorconjunctiveadverbstointroducesubjectclauses.

ExploringtherulesReadthepassageinpartAandfindthesentenceswithsubjectclauses.ThatHubbleisbasedinspaceallowsittoseefurtherthanground-basedtelescope,…Whetherlifeonotherplanetsdoesexistisyettobeproved,…Itisclearthattelescopesarecrucialtoolsforspaceexplorationandthat…Howmuchwewilllearnfromthetelescopesismerelylimitedbyourimagination.

RuleNo.1:Asubjectclauseisusuallyatthebeginningofthesentence,butitcanbeusedasthepreparatorysubjectwhenasubjectclauseislong.(1)Itisclearthattelescopesarecrucialtoolsforspaceexploration.(2)Itisapitythatyoudidn’tgotoseethefilm.(3)Itisobviousthathewillsucceed.(4)Itisreportedthattherewerenoinjuriesanddeaths.Exploringtherules

RuleNo.2:Wecanusethattointroduceasubjectclausewhentheclauseisastatement.ThatHubbleisbasedinspaceallowsittoseefurtherthangro