名词性从句GraceMa主语从句Whobrokethewindowmustbeforcedout.Whichofthecoatsfitsherisnotclear.Whenshewillbebackisn’tdecidedyet.WhereIwaswronginsolvingtheproblempuzzledme.Howwecanaccomplishthetaskwillbediscussedatthemeeting.所有疑问词都可以引导主语从句Thattheearthisroundisknowntoall.Whatisintheboxisunknowntome.Whethershecomesornotmakesnodifference.不缺成分用that缺主宾表用what表是否时不能用if疑问词+ever可以引导主语从句Whateverwedomustbenefitthepeople.=AnythingwhatWhoeverbreaksthelawwillbepunished.=AnyonewhoNomatterwhobreaksthelawwillbepunished.Nomatterwhobreaksthelaw,hewillbepunished.可放后面用it作形式主语Itistruethatonlythosewhocanrealizetheirfullpotentialhavethehopeofsuccess.Itexcitedallofuswhathesaidattheparty.Itissuggestedthatthework(should)bedonewithgreatcare.Itdoesn’tmatterwhetheryoucanjoinusornot.固定搭配:Itissaid/reported/supposed/expected/thought/well-known/warnedthat宾语从句动词+宾从Weknow(that)everyminutecounts.句子不缺成分时,可省略whatshethinksaboutit.whodidit.Idon’tknowwhereshelives.whethershewillcomeornot.howIcanlearnEnglishwell.I’lldowhat/whateverIcantoimproveEnglishinSeniorThree.Idon’tthinkthatIknowyou.否定转移:believe,think,suppose,guess,imagineIt作形式宾语(like,hate,enjoy,love,take,don’tmind,appreciate,seeto+it宾从)Iappreciateitthatyoucanjoinus.Ihateitthatpeoplespeak,withfoodintheirmouths.Idoubtwhether/ifourteamwillwin.肯定Idon’tdoubtthathewillmakeit.否定Doyoudoubtthathewillbesuccessful?疑问句介词+宾从(只用whether,不用if)Iknownothingabouthimexceptthatheisalawyer.Youmustseetoitthatyourplanisreallypracticed.Youmaydependonitthathewillhelpyou.whatshewillhelpyou.Sheisthinkingaboutwhethershecancompleteitintime.whyshewillstartout.Sheissuccessfulinthatshehasputherheartinto.Everythingdependsonwhetheryoucansparenoefforttodoit.形容词+宾从(whether,if都行)Iamsorry(that)Ihavetroubledyousomuch.Iamnotcertainwhethershewillcomeornot.Iamdoubtful(about)thatIoughttodo.It作形式宾语+宾从(从句作宾语,后带宾补)Ifeelitimportantthatweshoulddomorereading.Hehasmadeitclearthateveryonemustobeytherules.表语从句1.系动词Theproblemnowisthatwehavenomoney.2.主语是advice,order等名词时,虚拟语气Hissuggestionisthatwe(should)sendhimtohospital.Therequirementisthatwe(should)beatschoolintime.3.Asif/asthoughItlooksasifshehadbeenawayforafewdays.Itseemsasifshehadknowneverything.4.Why和becauseThatiswhyIamlate./because……同位语从句1.定语从句和同位语从句区别定语从句有限定,缺成分;同位语从句是前面n.的内容,只用that,不缺成分。常用同位语词:fact,belief,doubt,hope,thought,promiseYoumustkeepthepromisethat/which/--youmadelastweek.定从Youmustkeepthepromisethatyouwillbuymeabike.同位语从2.Everyonehastheideathattheywillcreateabrightfuture.3.whatIwilldonext.IhavenoideawhetherIshouldleaveornot.whenshewillbeback.4.Wefollowedhisadvicethatwe(should)askallteachersforhelp.