名词性从句主语从句PPT课件.ppt

名词性从句 一 主语从句 1 2 主语从句 把两句话合并成一句话1 Tomwillwinthetennisgame Itseemsimpossible ThatTomwillwinthetennisgameseemspossible 主语 连系动词 表语 3 ThatTomwillwinthetennisgameseemspossible 连系动词 表语 主语从句 主句 4 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 5 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 6 由that引导主语从句 把两句话合并成一句话3 Everystudentshouldhaveastudyplan Itisnecessary Thateverystudentshouldhaveastudyplanisnecessary 4 Studentssayhellototheirteachers Itispolite Thatstudentssayhellototheirteachers ispolite 7 由that引导主语从句 把两句话合并成一句话5 Yourmotherdidn tattendthepartyyesterday Itisapity Thatyourmotherdidn tattendthepartyyesterdayisapity 6 Tomstolehisclassmate smoney Itisafact ThatTomstolehisclassmate smoneyisafact 8 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 9 由whether 是否 引导的主语从句 Willhegoabroad Itisnotknown Whetherhewillgoabroadisnotknown 2 Willitraintomorrow Itisnotknown Whetheritwillraintomorrowisnotknown 3 Isheapoliceman Itisnotclear Whetherheisapolicemanisnotclear 4 Isthefilmstarhappy Itisnotclear Whetherthefilmstarishappyisnotclear 10 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 11 我是大王我说了算 形式主语It代替that主语从句 ThatwestudyEnglishwellisnecessary ItisnecessarythatwestudyEnglishwell 我是傀儡 形式主语 真正主语 12 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 13 形式主语It代替that主语从句 1 ThatJohnwonagoldmedalisafact ItisafactthatJohnwonagoldmedal 2 ThatImissedthebeginningofthefilmisapity ItisapitythatImissedthebeginningofthefilm 3 Thatwewillgotravellingisgoodnews Itisgoodnewsthatwewillgotravelling 14 4 Thatmymotherlosthernewwalletisapity Itisapitythatmymotherlosthernewwallet 5 ThatMarrymarriedablindmanisapity ItisapitythatMarrymarriedablindman 6 ThatMarrytoldalietoherhead teacherisasurprise ItisasurprisethatMarrytoldalietoherhead teacher 15 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 16 把两句话合并成一句话 例句ThatlighttravelsinstraightlinesisrightItisrightthatlighttravelsinstraightlines Thathegotagoldmedalisreal Itisrealthathegotagoldmedal 17 把下列句子用it做形式主语 ThatTomwillwinthegameispossible ItispossiblethatTomwillwinthegame 2 Thatweshouldwashourhandsbeforemealsisnecessary Itisnecessarythatweshouldwashourhandsbeforemeals 3 Thatwemustcompletethisworkbefore5o clcockisnecessary Itisnecessarythatwemustcompletethisworkbefore5o clcok 18 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 19 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 20 It be 过去分词 that ThathisfatherhasgonetoTianjinissaid ItissaidthathisfatherhasgonetoTianjin 2 Thattenpersonsdiedintheaccidentisreported Itisreportedthattenpersonsdiedintheaccident 3 Thattheearthwasnotroundwasbelievedinancienttimes Itwasbelievedinancienttimesthattheearthwasnotround 21 It be 过去分词 that 4 ThatitwillraintomorrowisbelievedItisbelievedthatitwillraintomorrow 5 Thatthewaiterworkshardisthought Itisthoughtthatthewaiterworkshard 6 ThattheAmericanpresidentwillvisitChinaisreported ItisreportedthattheAmericanPresidentwillvisitChina 22 that省略问题 Thatitwillraintomorrowisbelievedthat放句首不能省略Itisbelievedthatitwillraintomorrow that放在句尾不省略 但偶尔在口语中有省略的 23 关系代词 whatwhichwhowhom等引导主语从句 例句Whomdidtheboyhelp Sheisanoldwoman Whomtheboyhelpedisanoldwoman Wheredoeshelive ItisBeijing WherehelivesisBeijing 24 关系代词 whatwhichwhowhom等引导主语从句 把两句话合并成一句话1 Whatdotheirparentsneed Itismoreexperience Whattheirparentsneedismoreexperience 2 WhichdoctorswillbesenttoWenchuan Ithasnotbeendecided WhichdoctorswillbesenttoWenchuanhasn tbeendecided 3 Whatcolordoesthegirllike Itispink Whatcolorthegirllikesispink 25 关系代词 whatwhichwhowhom等引导主语从句 把两句话合并成一句话4 Whatdidhelose Itisabrownhandbag Whathelostisabrownhandbag 5 WhichteacherwillteachthestudentsGeography Ithasn tbeendecided WhichteacherwillteachthestudentsGeographyhasn tbeendecided 26 关系副词 wherewhywhen引导主语从句 Wheredidhego Ithasn tbeenknown Wherehewenthasn tbeenknown 2 Whyishelateforschool Itisnotclear Whyheislateforschoolisnotclear 3 Whendoestheplanetakeoff Itisclear Whentheplanetakesoffisclear 4 Wheredoesheoftengoforawalk Itisinthepark Whereheoftengoesforawalkisinthepark 27 关系副词 wherewhywhen等引导主语从句 1 Whyisthebabycrying Ithasnotbeenknown