主语从句课件

Subject

clause主语从句什么是主语?IlikeEnglish.Thetrainleft.Janeisgoodatplayingthepiano.Toseeistobelieve.Smokingisbadforhealth.Whathehassaidistrue.找出主语(名词)

〔不定式〕〔动名词〕(从句〕他通过了考试让老师很快乐。Hepassedtheexam.Itmadetheteacherhappy.Hepassedtheexammadetheteacherhappy.Thathepassedtheexammadetheteacherhappy.理解主语从句他何时要来还不清楚。Whenwillhecome?Itisnotclear.Whenwillhecomeisnotclear.

Whenhewillcomeisnotclear.理解主语从句Thathewillsucceediscertain.Whetherhewillcomemakesnodifference.Whatweneedismoretime.找出主语从句Tip:先找谓语Thathewillcomeiscertain.Whetherhewillcomeisuncertain.引导词1)附属连词that和whether：Whowillgomakesnodifference.Whatweneedismoretime.WhichbookIshallchoosehasn’tbeendecided.2)连接代词who,what,which引导词Whoeverbreaksthelawwillbepunished.3)连接代词whoever,whatever,whichever引导词

Whenwewillleavehasn’tbeendecided.Howshekeepshealthyisasecret.Whyhecriesisnotclear.Wherethemeetingwillbeheldisnotknown.4)连接副词when,where,how,why引导词1.引导词：附属连词that,whether；连接代词who,what,which；whoever,whatever,whichever;连接副词when,where,how,why。2.语序：陈述句语序主语从句的特点：Thathewillwinthematchiscertain.Itiscertainthathewillwinthematch.3.主语从句有时可以后置这样就构成了下面一些常用句型:

1)Itis+n.+that

Itisapity/shamethat...可惜的是……

Itisasurprisethat…令人吃惊的是…

Itisafactthat…事实是…Itiscommonknowledgethat……是常识

*_______________(很可惜)welostthematch.*______________(这是事实)hecheatedintheexam.ItisapitythatItisafactthat1.令人吃惊的是他改变了主意。______________thathechangedhismind.2.真可惜你错过了这么一个好时机。_____________youmissedsuchagoodchance.3.事实是污染正变得越来越严重。______________thepollutionisbecomingmoreandmoreserious.Itisasurprise

ItisapitythatItisafactthat2)Itis+adj.+thatIt’scertainthat…肯定…Itispossible/likelythat...很可能……Itisobvious/clearthat…很明显…Itistruethat…确实…Itisnecessary\important\essential\...that…*_______________(很可能)shewillcomebacktomorrow.*_______________(很明显)heisanEnglish.+(should)+do…ItispossiblethatItisobviousthat1.很可能他会申请这项工作的。______________hewillapplyforthejob.2.确实我犯了个错误。_______________thatImadeamistake.3.有必要我们要学习英语。ItisnecessarythatweshouldlearnEnglish.ItislikelythatItistruethat3)It+不及物动词+thatIthappenedthat...碰巧……Itoccurredtomethat…我突然想起…Itappears/seemsthat…似乎，好似…Itturnedoutthat…原来…*________________(刚好)Iwasoutyesterday.*____________________(我突然想起)Iforgottosenttheletter.IthappenedthatItoccurredtomethat4)It+be+过去分词+从句Itissaidthat...据说……Itisknowntoallthat...众所周知……Itisreportedthat...据报道……Itisbelievedthat...据相信……;人们相信……Itissuggestedthat+(should〕do...建议……(advised,ordered,requested,insisted…)*_________________(据报道)20peoplewerekilledintheaccident.*__________________(建议)weshouldeatmorevegetableanddomoreexercise.ItisreportedthatItissuggestedthat主语从句的规律例1.Whenwillhecomeisnotknown.规律一、主语从句一律用陈述语序。

正：Whenhewillcomeisnotknown.例2.Hewillnotcometothemeeting

thiseveningistrue.正：Thathewillnotcometothemeetingthiseveningistrue.规律二、连词that在从句中无实际意义，但不能省略。例3.Ifthemeetingwillbeputoffhasnotbeendecidedyet.正：Whetherthemeetingwillbeputoffhasnotbeendecidedyet.规律三、主语从句中句首不用if。例4.

Whenhewillcomeareapuzzle.正：Whenhewillcomeis

apuzzle.规律四、主语从句的谓语动词多用单数第三人称形式。Whenthemeetingwillbegin_____(have)notbeendecidedyet.hasWhentheywillstartandwheretheywillgo_____(be)stillunknown.Whenandwherethemeetingwillbegin_____(have)notbeendecidedyet.arehas例51.Whatheneeds___thatbook.

2.Whatheneeds____somebooks.规律五、what引导的主语从句，可根据表语决定主句动词的单复数形式。isare小试牛刀他是不是我的孩子仍然是个问题。Whetherheismychildremainsaquestion.WhatIlikemostisyourhairstyle.我最喜欢的是你的发型。WhatIneedisrest.我需要的就是休息。HowDuLalabecomessuccessfuldependsonherhardwork.杜拉拉如何成功取决于她的勤奋。Whattheboydidmadetheteacherangry.这个男孩所做的事让老师很生气。Itiscommonknowledgethatweshouldwearrainshoesonrainydays.雨天要穿雨鞋〔rainshoes〕是常识。一、改错1：Thatshewantstoknowiswhichdresssheshouldbuy.2:Hewillgiveuphisjobsurprisesallofus.3:Nomatterwhobreaksthelawwillbepunished.4:Ifthemeetingwillbeheldinourschoolisnotknownyet.5:Thatworriedherabitwasthathecouldn’tgetintouchwit