名词性从句主语从句经典课件

名词性从句--主语从句名词性从句主语从句宾语从句同位语从句表语从句主语从句把两句话合并成一句话1.Tomwillwinthetennisgame.Itseemsimpossible.ThatTomwillwinthetennisgame

seems

possible.主语连系动词表语ThatTomwillwin

thetennisgame

seems

possible.连系动词表语主语从句主句主语从句：在主句中担当主语的是一个从句，这个从句就叫主语从句。引导词：从属连词：that,whether关系代词：who,whom,whatwhich,whose

关系副词：when,where,why由that引导主语从句例句：把两句话合并成一句话Lighttravelsinstraightlines.Itisknowntoall.Thatlighttravelsinstraightlinesisknowntoall.2.Weshouldwashourhandsbeforemeals.Itisnecessary.Thatweshouldwashourhandsbeforemealsisnecessary.由that引导主语从句把两句话合并成一句话3.Everystudentshouldhaveastudyplan.Itisnecessary.That

everystudentshouldhaveastudyplanisnecessary.4.Studentssayhellototheirteachers.Itispolite.Thatstudentssayhellototheirteachers.ispolite.由that引导主语从句把两句话合并成一句话5.Yourmotherdidn’tattendthepartyyesterday.Itisapity.That

yourmotherdidn’tattendthepartyyesterdayisapity.6.Tomstolehisclassmate’smoney.Itisafact.ThatTomstolehisclassmate’smoneyisafact.由that引导主语从句把两句话合并成一句话7.Therewillberainytomorrow.Itispossible.Thattherewillberainytomorrowispossible.8.Teenagerssmoke.Itiswrong.Thatteenagerssmokeiswrong.由whether（“是否”）引导的主语从句在主语从句中只能用

whether

（是否），此意义时不能用

if替换。我是大王我说了算形式主语It代替that主语从句ThatwestudyEnglishwellisnecessary.It

isnecessary

that

westudyEnglishwell.我是傀儡形式主语真正主语第一种：形式主语It代替that主语从句Itis+名词

+that从句Itisapitythat…Itisashamethat…Itisafactthat….Itisanhonorthat….

等等形式主语It代替that主语从句1.ThatJohnwonagoldmedalisafact.ItisafactthatJohnwonagoldmedal.2.ThatImissedthebeginningofthefilmisapity.ItisapitythatImissedthebeginningofthefilm.3.Thatwewillgotravellingisgoodnews.Itisgoodnewsthatwewillgotravelling.4.Thatmymotherlosthernewwalletisapity.Itisapity

that

mymotherlosthernewwallet.5.ThatMarrymarriedablindmanisapity.Itisapity

that

Marrymarriedablindman.6.ThatMarrytoldalietoherhead-teacherisasurprise.Itisasurprise

that

Marrytoldalietoherhead-teacher.第二种：形式主语It代替that主语从句Itisimportantthat…Itisnecessarythat…Itispolitethat….Itiswrongthat…等等Itis+形容词+that…把两句话合并成一句话例句Thatlighttravelsinstraightlinesisright

Itisrightthatlighttravelsinstraightlines.Thathegotagoldmedalisreal.Itisrealthathegotagoldmedal.把下列句子用it做形式主语ThatTomwillwinthegameispossible.ItispossiblethatTomwillwinthegame.2.Thatweshouldwashourhandsbeforemealsisnecessary.Itisnecessarythatweshouldwashourhandsbeforemeals.3.Thatwemustcompletethisworkbefore5o’clcockisnecessary.Itisnecessarythatwemustcompletethisworkbefore5

o’clcok.第三种：形式主语It代替that主语从句It+不及物动词+that…1)ThatImetmyGeographyteacherinthestreethappened.IthappenedthatImetmyGeographyteacherinthestreet.2)ThatIpickedaredwalletonthewaytoschoolhappened.IthappenedthatIpickedaredwalletonthewaytoschool.3)Thatthemanagerandthebosswenttravellinghappened.Ithappenedthatthemanagerandthebosswenttravelling.第四种:形式主语It代替that主语从句It+be+过去分词+that…Itissaidthat…据说…..Itisreportedthat据报道…Itisknowntoallthat….众所周知….Itisbelievedthat….人们相信…Itisthoughtthat….人们认为….It+be+过去分词+that…ThathisfatherhasgonetoTianjinissaid.Itissaid

thathisfatherhasgonetoTianjin.2.Thattenpersonsdiedintheaccidentisreported.Itisreported

that

tenpersonsdiedintheaccident.3.Thattheearthwasnotroundwasbelievedinancienttimes.Itwasbelievedinancienttimesthat

theearthwasnotround.It+be+过去分词+that…4.Thatitwillraintomorrowisbelieved

Itisbelieved

that

itwillraintomorrow.5.Thatthewaiterworkshardisthought.Itisthought

that

thewaiterworkshard.6.ThattheAmericanpresidentwillvisitChinaisreported.Itisreported

that

theAmericanPresidentwillvisitChina.that省略问题That

itwillraintomorrowisbelieved

that放句首不能省略Itisbelieved

that

itwillraintomorrow.that放在句尾不省略，但偶尔在口语中有省略的。关系代词：whatwhichwho

whom等引导主语从句例句Whomdidtheboyhelp?Sheisanoldwoman.Whomtheboyhelped

isanoldwoman.Wheredoeshelive?ItisBeijing.Wherehelives

isBeijing.关系代词：whatwhichwho

whom等引导主语从句把两句话合并成一句话1.Whatdotheirparentsneed?Itismoreexperience.Whattheirparentsneed

ismoreexperience.2.WhichdoctorswillbesenttoWenchuan?Ithasnotbeendecided.WhichdoctorswillbesenttoWenchuanhasn’tbeendecided.3.Whatcolordoesthegirllike?Itispink.Whatcolorthegirllikes

ispink.关系代词：whatwhichwho

whom等引导主语从句把两句话合并成一句话4.Whatdidhelose?Itisabrownhandbag.

Whathelost

isabrownhandbag.5.WhichteacherwillteachthestudentsGeography.Ithasn’tbeendecided.WhichteacherwillteachthestudentsGeography

hasn’tbeendecided.关系副词：wherewhywhen引导主语从句Wheredidhego?Ithasn’tbeenknown.Wherehewent

hasn’tbeenknown.2.Whyishelateforschool?Itisnotcle