Unit 5 主语从句课件 【教学精研+高效课堂】 高中英语人教版（2019）选择性必修第一册

Unit5NounClause名词性从句句子类型简单句并列句复合句主句形容词性从句名词性从句副词性从句从句sentencetypes:(定语从句)(状语从句)引导词名词主语、宾语、表语、同位语主语从句、宾语从句、表语从句、同位语从句名词性从句主语从句宾语从句表语从句同位语从句WhatIcanseeis...Whatcanyouseeinthepicture?WhatIcanseeisafaceofanelderlywoman.WhatIcanseeisasightofabeautifulgirl’sback.在复合句中充当主语作用:位置:主句谓语或系动词之前1.Atreehasfallen

acrosstheroad.2.You

are

astudent.3.Tofindyourwaycanbe

aproblem.4.Smokingis

badforyou.5.Thatweshallbelateis

certain.6.Itis

certainthatweshallbelate.名词充当主语人称代词充当主语不定式充当主语动名词充当主语句子充当主语it充当形式主语主语是一个句子说明的人或事物，一般放在______.句首结论:找出下列句子中的主语主语从句TheSubjectClause定义：主语从句就是在复合句中作_________的名词性从句，通常放在主句谓语动词之前或由形式主语it代替，而本身放在句子末尾。主语e.g.Whathedidintheearthquake

movedeverybody.

主语谓语宾语从句Thathewillpasstheexamiscertain.Whetherhewillpasstheexamisuncertain.Whowillgomakesnodifference.Whatweneedismoretime.WhichbookIshallchoosehasn’tbeendecided.温馨提示：先找谓语动词找出下列句子中的主语从句思考：主语从句的连接词有哪些？分别有什么功能？从属连词(不作成分）连接代词（作主,宾,表,定语）连接副词（作状语）what，who,whom,which,

whose,wh+everhow,when,where,why主语从句的连接词that(无意义),whether(是否)(不能省略)Whoeverbreaksthelawwillbepunished.Whenwewillleavehasn'tbeendecided.Wherethemeetingwillbeheldisnotknown.9.Whyhecriesisnotclear.10.Howshekeepshealthyisasecret.思考：主语从句的连接词有哪些？分别有什么功能？devote...to...moveallpeoplearoundtheworldYuandevotedallhislifetodevelopinghybridrice

movedallpeoplearoundtheworld.That

从属连词That不做成分，没有意义，不能省略tacklethesituationdependonhisabilityHecantacklethesituation

dependsonhisability.ThatWhether

从属连词whether不做成分,但有意义，表“是否”,不能用if代替Whetherwecangotopicnictomorrowisstillaquestion.Thatthewoundedsoldierisstillaliveisawonder.

ThatMr.Zhouwillcomeiscertain.Whethertheworkcanbecompletedontimeisdoubtful.________________用whether或that填空。从属连词(不作成分）连接代词（作主,宾,表,定语）连接副词（作状语）that(无意义),whether(是否)(不能省略)

主语从句的连接词thecatdomade

Whatthecatdid

madethebabycry.cry连接代词做（主语、宾语、表语），译为东西，不能省略。连接代词what(ever),who(ever),which(ever),whom(ever)..digestwhattheteachersteachgethigherscorescandigestwhattheteachersteach

islikelytogethigherscores.Whoever连接代词做（主语、宾语、表语），译为无论谁，不能省略。Whowilltakepartinthemeetinghasnotbeendecided.Whatshesaidistrue.WhichbookIshallchoosehasn’tbeendecided.Whoeverbreaksthelawwillbepunished.who在主语从句中充当______,译为______。what在主语从句中充当______,译为______。which在主语从句中充当______,译为______。whoever在主语从句中充当______,译为______。结论：主语谁宾语东西定语哪一主语无论谁从属连词(不作成分）连接代词（作主,宾,表,定语）连接副词（作状语）what，who,whom,which,

whose,wh+ever主语从句的连接词that(无意义),whether(是否)(不能省略)attainsuccessunknownHeattainedsuccess

isunknown.How连接副词做（状语），译为怎样，不能省略。连接副词（作状语）when,where,how,whybombwillexplodeworrythemanthebombwillexplode

worriestheman.When连接副词做（状语），译为何时，不能省略。Whenthebombwillexplode

worriestheman.Wheresheisfrom

isunknown.Whyhewaslateisnotimportantnow.Howhe

attainedsuccess

isunknown.when在主语从句中充当_______,译为______。where在主语从句中充当_______,译为______。why在主语从句中充当_______,译为_______。how在主语从句中充当_______,译为_______。结论：状语何时状语何地状语为什么状语怎样连接副词（作状语）When/Where/Why/How从属连词(不作成分）连接代词（作主,宾,表,定语）连接副词（作状语）what，who,whom,which,

whose,wh+everhow,when,where,why主语从句的连接词that(无意义),whether(是否)(不能省略)原则：缺什么补什么“缺什么补什么”原则缺主语，指人用____，指物用_____缺宾语，指人用_______，指物用____缺时间状语用______；地点状语用______；原因状语用_____；方式状语用_____；定语用_________；什么都不缺用______________。whowhatwho/whomwhatwhenwherewhyhowwhich/whosethat/whether（是否）主语从句的连接词功能连接词不作成分that,whether作主、宾、表、what,who,whom,wh+ever作定语which,whose,作状语when,where,why,howUsageoftheConjunctions缺什么补什么探寻规律1：

主语从句

主谓一致

问题1.Whetherthepatientwillbetaken

______unknown.2.Whenandwherethepatientwillbetaken_____unknown.3.Whenthetaskcanbefinishedandwhetherhecanhavearest_____unknown.4.Whathewantsmost____stayingwithhisfamily.

Whattheyneed_______masks(口罩).主句的谓语动词，大多数使用_______(单数？复数？)由两个连接词引导同一个主从，谓动使用____(单数？复数？)主语为and连接的两个主从时，谓动使用____(单数？复数？)what在主从中做宾语时，谓语的单复数取决它后面的表语。单数单数复数isisareisare探寻规律2：

主语从句的语序找出下列句子中的错误，并总结规律★主语从句一律用__________，即主语在前，谓语在后。正：Whenhewillcomeisnotknown.例1.Whenwillhecomeisnotknown.Howwegoforapicnicshouldbediscussed.Howdowegoforapicnicshouldbediscussed.√×陈述语序探寻规律3：

主语从句太长怎么办？Thatallcountriesworktogetherisimportant.

用一个

It

来解决问题！Itisimportantthatallcountriesworktogether.

★主语从句为了避免头重脚轻现象,用it做_______，而把从句放在后面充当_________。真正的主语形式主语为了避免主语冗长，句子头重脚轻。经常用it作形式主语。例：Thattheearthisroundisknowntoall.=Itisknowntoallthattheearthisround.it作形式主语clear,obvious,likely,probable,true…句型一形容词It+be+形容词+主语从句

做是的Itispossiblethat...可能……Itis(un)likelythat...可能/不可能……Itisobviousthat…很明显…Itisnecessary/essential/...that…很必要……Attention：

此句型中的形容词是important,necessary等时，从句应该使用虚拟语气。例：Itisimportantthatwe(should)learnEnglishwell.said,reported,believed,thought,announced…句型二过去分词2.It+be+过去分词+主语从句据Itissaid/told/heardthat...据说……Itiswellknowntoall...众所周知……Itisreported/announced...据报道……Itisestimated...据估计……

Attention：

如果过去分词是suggested,ordered,required,advised,requested等表示建议、要求、命令等词时，从句应该使用虚拟语气。例：Itissuggestedthatstudents(should)maketheirbedbythemselves.apity，anhonor，agoodidea，afact,a/nosurprise，nowonder(难怪)句型三名词3.It+be+名词+主语从句做是的Itisapity/shamethat...遗憾的是……Itisasurprisethat…令人惊奇的是…seem,happen,appear,look,occur,turnout(最后是;结果是)…句型四不及物动词4.It+不及物动词+主语从句Itappearsthat…

Ithappensthat…

Itoccurredtomethat…

worry,shock…句型五及物动词5.It+及物动词+宾语+主语从句Itshocksmethathefailedinthisexam.他没通过考试，震惊到我了。1._______________(可能)shewillcomebacktomorrow.2._______________(很明显)thismeasureiseffective.3._______________(很遗憾)welostthematch.4.______________(这是事实)hecheatedintheexam.5._________________(据报道)20peoplewerekilledintheaccident.6._________________(建议)weshouldeatmorevegetableanddomoreexercise.7.________________(碰巧)Icameintotheofficeatthattime.8.____________________(我突然想起)

Iforgettosendtheletter.ItispossiblethatItisobviousthatItisapitythatItisafactthatItisreportedthatItissuggestedthatIthappenedthatItoccurredtomethat★主语从句中的虚拟语气虚拟语气主要用来说话人的主观愿望而非真实情况。Ⅲ.it作形式主语Summary主语从句that表是否：whether从句不完整从句完整默默守候的连词默默守候的连接副词表时间：when表地点：where表原因：why表方式：how乐于参与的连接代词需要补充成分人：who,whom,whose事物：what哪一个：which需要补充成分+表无论…时whateverwhoeverwhichever巧记主语从句整句作主语，其后单谓语莫忘加连词，that不略但无义“是否”置前用whether,其他应用靠翻译主语从句可后置，只需形式主语it把它替Pickoutonenumberandfinishthetaskinit.16781011121413151692345GameTime

Wherehecomesfromareamystery.单句改错is1point从句作主语，谓语动词要用单数______theyaremostinterestedinishowtheycanproducemoreandbettercars.A.ThatB.WhoC.WhatD.When单项选择2pointswhat在从句中作宾语，译为“什么”他是否是我的孩子仍然是个问题。____________________remainsaquestion.Whetherheismychild3points完成句子whether放在句首引导主语从句，意为“是否”Thatisobviousthathedidn'tpasstheexam.单句改错It1pointit充当形式主语，that从句为真正的主语众所周知，雨天要穿雨鞋。________________wewearrainshoesonrainydays.Itisknownthat完成句子3points______________isrest.我需要的就是休息。WhatIneed3points完成句子Ifshewillcomeornotisstillaquestion.单句改错Whether1pointwhether位于句首引导主语从句，但的if不能。

Whatwillbeourmonitorhasnotbeendecided.单句改错Who1point缺主语，指人应该用who。ThathewantstovisitistheGreatWall.单句改错What1point缺宾语，指物，用what。____________________isattractedbyher.无论谁见到这个女孩都被她吸引。Whoeverseesthegirl3points完成句子________theboydidn'ttakemedicinemadehismotherangry.A.ThatB.WhatC.HowD.Which单项选择2points不缺成分，没有意义，不能省略，用thatThatwegoswimmingeveryday________usalotofgood.A.doB.doingC.doesD.done单项选择2points从句作主语，谓语动词要用单数__________________YaoMinggotthehighestpointsinthematch.据报道，姚明在这场比赛中得了最高分。Itisreportedthat3points完成句子

_______theycansolvethequestionisstillunknown.

A.If

B.Which

C.Whether

D.What单项选择2points不缺成分，表示“是否”，用whether。______________isyourhairstyle.我最喜欢的是你的发型。WhatIlikemost3points完成句子

____isafactthatEnglishisacceptedasaninternationallanguage.A.There

B.This

C.That

D.It单项选择2pointit充当形式主语，that从句为真正的主语翻译练习1.(谁将去接他)________________isnotdecided.2.(哪个班级会赢得这场足球赛)_______________________________________isnotclearsofar.3.(他能否买到飞票)__________________________doesn’tm