Unit 5 Discover useful structures 主语从句课件-2023-2024学年高中英语人教版（2019）选择性必修第一册

Discoverusefulstructures-

Subjectclauses2TomastertestpointsforSubjectclause.02TolearndifferentformsofSubjectclause.01Toknowhowtouseitinwriting.03导读目标——Learningaims.

madethegirlcry?Whatthedogdid?Thegirliscrying.导入——EnjoyapictureWhatmadethegirlcry?Whatthedogdid4Heconsideredhimselfafarmer.Yuan’sinnovationhashelpedtofeedmorepeople.UsingsaltylandinChinaforriceproductionwashislatestvision.Howthiscouldbedonewasachallengingquestionatthetime.WhatconcernedYuanLongpingmostwasthatfarmersoftenhadpoorharvests.Findthesubjectofthefollowingsentencesconsideredhashelpedwaswaswas先找谓语单词基础知识检测——Analysethesentences主语从句的定义01重难点知识精讲——WhatisSubject-clause在句中充当主语的从句叫做主语从句。考点分析：主语从句是高考重要考点之一，也是高频考点。主要设题于语法填空，阅读理解和书面表达。主语从句的连接词

02重难点知识精讲——Linking-words7ThatYuanLongpingcaredlittleforcelebrityormoneywastrue.Whetheritwaspossibletodevelopthehybridricewasindebate.Whowillsolvethesoilproblemisunknown.Whichoneisthebesttoexpandoutputisnotclear.WhenYuanwouldretiretoalifeofleisurewasnevermentioned.Wherethehybridricecanbeplantedisaquestion.WhyYuandevelopedseawaterricewastofeedmorepeople.Findthelinkingwordsofsubject-clause.找出主语从句有哪些不同的连接词81.That/whether1.That

IloveEnglishisreal.2.Whether

theboycouldwinmademecurious.Conclusion1:引导主语从句的从属连词有：that在句中

（有/无）含义，

（充当/不充当）句子成分，

（可/不可）省略。Whether意思是“

”，

(充当/不充当）句子成分。当主语从句在句首时，whether一般

（能/不能）被if替换。无不充当不可不充当是否不能92.What/who/which/whoever…1.Whattherefugeeshavegonethroughisbeyondourimagination.2.WhowouldgettheopportunitytotraveltoBeijingisunknown.3.Whichstudentwouldbethevolunteerisnotclear.4.Whoeverbreaksthelawwillbepunished.Conclusion2:引导主语从句的连接代词主要有：谁“

”、无论谁“

”什么“

”无论什么“

”、谁的“

”、哪一个“

”；在句中可以充当

、

、表语、

。whowhoeverwhatwhateverwhosewhich主语宾语定语103.When/how/why/where1.Whenwewillleavehasn'tbeendecided.2.Howshekeepshealthyisasecret.3.Whyhecriesisnotclear.4.Wherethemeetingwillbeheldisnotknown.Conclusion3:引导主语从句的连接副词，在句中做“

”。主要包括：怎么样“

”，为什么“

”在/去什么地方“

”，什么时候“

”。状语howwhywherewhen11It作形式主语1.Thattheearthmovesaroundthesuniswellknown.=Itiswellknownthattheearthmovesaroundthesun.2.Thatshehasmadesuchamistakeisapity.=Itisapitythatshehasmadesuchamistake.3.Whetherhe'llcomehereisn'tclear.

=Itisn'tclearwhether/ifhe'llcomehere.注意：主语从句位于句首时,不能用if

引导,主语从句后置时,

才可以用if引导。用一个

It

来解决问题！12It作形式主语(1)It+be+形容词（obvious,true,surprising,wonderful,possible,likely,certain)+that从句(2)It+be+过去分词(said,reported,thought,expected,decided,announced,

suggested等)+that从句(3)It+be+名词词组(apity,ashame,goodnews,anhonor,

nowonder等)+that从句(4)It+不及物动词/动词短语(seem,appear,happen,matter,turnout,occurto等)+that从句(5)Itisnecessary/important等+that(should)

do

Itissuggested/ordered等+that

(should)do接虚拟语气1._______youcanrecover(痊愈)soonisthebestnewsI’veheardrecently.2._______excitedJennymostwasthatshefinallysucceeded.3.__________hisfamilywouldsupporthimmadehimworried.4.____________comesinfirstwillgetaprize.5._______hediditremainsamystery.6._______canjointhesportsmeetingisdecidedbytheteacher.ThatWhatWhetherWhoeverWhyWho随堂测试分析句子成分缺主宾

表定缺状语用连接代词用连接副词根据语意缺什么补什么都不缺用that或whether主语从句的引导词类别连接词说明从属连词两者在从句中均不作成分，只起连接作用；连接代词在从句中作主语、宾语、表语、定语等成分。连接副词在从句中作时间、地点、方式、原因状语等成分。that，whetherwho，what，which，whoever，whatever等when，where，how，whywhether表“是否”，不省略that无实义，主语从句的几点注意事项03重难点知识精讲——Specialusage1.Whetherthepatientwillbetaken

______unknown.2.Whenthetaskcanbefinishedandwhetherhecanhavearest________unknown.3.Whathewantsmost_________stayingwithhisfamily.

What

hewantsmost_______masks(口罩).4.It____afactthatEnglish

isbeingacceptedasaninternationallanguage.主句的谓语动词，大多数使用_______(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，谓动由主句______决定单复数(主语？表语/宾语)？单数复数表语isareis

are主谓一致——用be的适当形式填空is

It在主从中做形式主语时，谓动______(单数？复数？)单数Rule1:主从形式forms+主句谓语verb单个主从多个主从并列It作形式主语What引导主从单数复数单数表/宾语决定主谓一致1.Whetherthepatientwillbetaken

isunknown.2.Whenhecanhavearestisunknown.3.Whathewantsmostisstayingwithhisfamily.

主语从句的语序主语从句的从句部分要用______语序

陈述句19主语从句和强调句的区分1.It

is

believedthatbeautycomesfromwithin.(2015北京卷)2.Itwasthetimesthatproducetheirheroes.3.Itwas

whenwewerereturninghomethatIrealizedwhatagoodfeelingitwastohavehelpedsomeoneintrouble.(2015湖南卷)4.Itisoftenthecasethatanythingispossibleforthosewhohangontohope.(2016江苏卷)主语从句强调句紧紧抓住强强强强强强强强强调句主语从句Rule3:判断方法：去掉Itis/was…that之后，若句子结构仍然完整，则为强调句，itis…that中间的部分为被强调的部分；句子结构混乱不完整，则it为形式主语，真正的主语是由that引导的从句。

体会主从运用走近高考真题04分层运用——ExercisesWhetherhecantacklethesituationdependsonhisability.whether不做成分,但有意义，表“是否”，主语从句位于句首时，不能用if引导。Ifhecantacklethesituationdependsonhisability.组成句子

从属连词tacklethesituationdependonhisabilitymaketheteacherangry1.didn’tknowtheanswer组成句子2.attain

successunknownTheboydidn’tknowtheanswermadetheteacherangry.

从属连词Thattheboydidn’tknowtheanswermadetheteacherangry.

that虽无词义，但引导主语从句位于句首时，不能省略。组成句子Thatmaketheteacherangrydidn’tknowtheanswer

Howheattainedsuccessisunknown.连接副词做成分（状语），有意义，不能省略。

Howdidheattainedsuccessisunknown.组成句子heattainedattainsuccessunknown主语从句要用陈述句语序。25高考真题1(2020浙江卷)假定你是李华，你校来自爱尔兰的外教Peter因病回国休假。请给他写一封电子子邮件…翻译：你现在需要的是足够的休息和健康的饮食。Whatyouneednow

are

anenoughrestandahealthydiet.26高考真题2(2020全国Ⅱ卷)上周末，你和你的同学参加了一次采摘活动。请你为班级英语角写一篇短文，介绍这次活动，内容包括：1.农场情况；2.采摘过程…翻译：映入眼帘的是农场里各种各样的动物、绿色的蔬菜和果树.Whatcameintosight

wereallkindsofanimals,greenvegetablesandfruittreesonthefarm.AshortarticleofYuan’sgoodqualitiesandgreatachievements.YuanLongpingdevotedhimselftohelpingfeedsomanypeopleleftadeepimpressiononme.Importantly,henevergaveupdespitemanydifficulties.Hebecameagreatpersonbecausehesucceededindevelopingthehybridrice.句式升级YuanLongpingdevotedhimselftohelpingfeedsomanypeopleleftadeepimpressiononme.2.Importantly,henevergaveupdespitemanydifficulties.Hebecameagreatpersonbecausehesucceededindevelopingthehybridrice.句式升级

Usesubjectclausestorewritethis.

isthatYuanLongpingwasdevotedtohelpingfeedsomanypeople.wasimportant

,despitemanydifficulties.Itthathenevergaveup