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ID:52473761
大小:5.71 MB
页数:18页
时间:2020-04-08
《《主语从句重点》PPT课件.ppt》由会员上传分享,免费在线阅读,更多相关内容在教育资源-天天文库。
1、NounclausesasthesubjectUnit4Grammar主语从句1.______watchwaslostisunknown.2.________youdidisright.3._________wewillgoforanoutingtomorrowremainsunknown.4.______weneedistime.5.______willbeourmonitorhasn'tbeendecidedyet.whetherwhatwhowhosewhateverUsethewordsbelowtofi
2、llintheblanks.WhetherWhatWhateverWhoseWho上面的空大家都填对了吗?上面每个句子都出现了的主语从句,大家能找到吗?1.Whosewatchwaslostisunknown.2.Whateveryoudidisright.3.Whetherwewillgoforanoutingtomorrowremainsunknown.4.Whatweneedistime.5.Whowillbeourmonitorhasn'tbeendecidedyet.请把下列句子的谓语找出来1.Whos
3、ewatchwaslostisunknown.2.Whateveryoudidisright.3.Whetherwewillgoforanoutingtomorrowremainsunknown.4.Whatweneedistime.5.Whowillbeourmonitorhasn'tbeendecidedyet.请把下列句子的谓语找出来1.Whosewatchwaslostisunknown.2.Whateveryoudidisright.3.Whetherwewillgoforanoutingtomorro
4、wremainsunknown.4.Whatweneedistime.5.Whowillbeourmonitorhasn'tbeendecidedyet.主语从句(SubjectClause)如果一个句子在复合句中充当一个主语,那么这个句子就是主语从句。Thathefinishedwritingthecompositioninsuchashorttimesurprisedusall.Whatweneedaregooddoctors.Whomwemuststudyforisaquestionofgreatimpor
5、tance.连接词1.thatThattheearthmovesaroundthesuniswellknown.2.whetherWhetherhewillcomeornotisnotknownyet.3.whoWhowillbesenttherehasnotbeendecided.4.whatWhatyouneedismorepractice.5.whichWhichoneisthebestisnotclear.6.when,whereWherehehasgoneisaquestion.7.why,howWhy
6、thereisgravityishardtounderstand.HowhecanearnalivinginBritainremainsabigproblem.8.whoever、whatever、whichever可引导主语从句。Whoevercomeswillbewelcome.Whateverhedidwasright.Whicheverofyoucomesinwillreceiveaprize.引导主语从句不能用if代替whether,但主语从句后置时,可用if引导2.连词位于句首不能省略,主语从句后置的
7、时候,that可以省略。3.主语从句大多数情况下视为第三人称单数,但在关系代词what引导的主语从句后谓语动词的数要根据句意而定。小结Chooserightwordsforthesesentences.1.theywillsellthehouseisnotclearsofar.(Whether/If)注解:在句首引导的主语从句,不用来替换.2.①discoveredAmericaisknowntoall.②ColumbusdiscoveredAmericaisknowntoall.(What/Who/That)W
8、hetherWhoThatwhetherif注解:在主语从句中无,不充当,但不能.实际意义句子成分省略that注意:1.Whetheryoucansucceeddependsonyourself.2.Whatweneed_____water.Whatweneed_____usefulbooks.(is/are)注解:主语为从句时,谓语动词一般要用单数形式;isare但如果
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