从句一律保持陈述语序。主语从句同位语从句表语从句宾语从句Howshouldweusemoderntechnology?Theproblemis…Theproblemishowweshouldusemoderntechnology.WhenwillmanbeabletoliveonMars?….isunknowntousall.WhenmanwillbeabletoliveonMarsisunknowntousall.Wherewillalltheseadvancedtechnologyleadus?Ican’timagine….Ican’timaginewherealltheseadvancedtechnologywillleadus.Hissuccessinthecompetitionmadeushappy.Thathesucceededinthecompetitioninthegamemadeushappy.一个句子，在连词的引导下，在另一个句子中充当名词使用，叫名词从句Hisjobisimportant.Whathedoesisimportant.Thisishisjob.Thisiswhathedoeseveryday.{{{Idon’tlikehisjob.Idon’tlikewhathedoeseveryday.Idon’tknowabouttheman,Mr.White.Idon’tknowaboutthefactthatheisateacher.{Atlunchtime,theradioweathermanreportedthatthemistwouldbecomeathickfogintheafternoon.Thetruthisthatthefogistoothickforthebustorunthatfar.Whatsurprisedmemostwasthattheoldmancouldn’tseeanything.ThefactthatPollydidn’taskfortheman’snameisapity.Findclausesfromthefollowingsentencesandtellthefunctionsofthem.AppositiveClause(同位语从句)SubjectClause(主语从句)ObjectClause(宾语从句)PredicativeClause(表语从句)1.连接词有：thatwhether和lf2.连接代词有：whowhomwhosewhichwhat等3.连接副词有：whenwherewhyhow等另外whateverwhoeverwhichever等也可以引导主语和宾语两种从句。名词性从句中的“that”没有词义，也不作任何成分。1.主语从句：从句在句中充当主语成分1).Thathewillsucceediscertain.2)Whetherhewillgothereisnotknown.3)Whathesaidisnottrue.4)Wherehehidthemoneyistobefoundout.5)Whoevercomesiswelcome.6)It’scertainthathewillsucceed.7)Howwecanhelpthetwinswillbediscussedatthemeeting.8)Whenthey’llstarttheprojecthasnotbeendecidedyet.It的用法：（形式主语）It’possible/important/necessary/clear…that……很可能/重要的是…/必要的是…/很清楚…It’said/reported…that..据说/据报道…It’sbeenannounced/declaredthat..已经通知/宣布…Itseems/appears/happens..that…显然、明显、碰巧..It’snowonderthat…并不奇怪/无疑…It’sapity/afact/acommonknowledge(众所周知）/acommonsaying….（俗话说）注意：1.Whatyouleftareonlyseveraloldbooks.2.Whatyousaidisofgreatimportance.“if”不能引导主语从句，应有“whether”引导。主语从句的“that”一般不能省。“what”引导主语从句时，谓语动词：1）常与其后的名词作表语一致2）根据句子的语境而定。1.___hemadeanimportantspeechatthemeetingwastrue.A.ThatB.WhyC.WhatD.How2.___we’llgocampingtomorrowdependsontheweather.AIfBWhetherCThatDWhere3.___isknowntousallisthatAmericaisadevelopedcountry____theFirstWorld.a.Which;belongtob.As,belongedtoc.What;belongingtod.It;belongingto4.It’sknowntousall___aformofenergy.A.waterisB.thatwaterisC.iswaterD.thatwaterto5.Itworriedherabit___herhairwasturninggray.A.whetherB.ThatC.whatD.when6.WhatIsayandthink___noneofyourbusiness.A.isB.areC.hasDhave2.宾语从句：从句在句中充当宾语成分（可以作谓语动词、介词、不定式等非谓语动词的宾语）If、whether都可用1).Theyknowthatthehabitwillkillthem.2).Italldependsonwhethertheywillsupportus.3)HeaskedhowmuchIpaidfortheviolin.4).Hemadeitcleartothepublicthathedidanimportantandnecessaryjob.5).Ifinditnecessarythatweshoulddothehomework.当whether后紧跟or/ornot时,不用if.Idon’tknowwhetherIwillstayornot介词后面的宾语从句不能用if.IworryaboutwhetherIhurtherfeeling.1.Whether和if都可以引导宾语从句注意：1、当主句的谓语动词是一般现在时或一般将来时，从句是什么时态就用什么时态。2、当主句的谓语动词是一般过去时，宾语从句的谓语动词要用相应的过去时态，但当宾语从...
