Unit5WorkingTheLandDiscoveringUsefulStructures课件-高中英语人教版选择性

DiscoveringUsefulStructuresSubjectClause主语从句UNIT5WORKINGTHELANDLead-in___________________makesyoustronger.Standalittletallerdoesn’tmeanI’mlonelywhenI’mlonely._____________________makesafire.Putthatthingonlighterdoesn’tmeanI’m

overcauseyou’regone._____________________makesyoustrongerstronger.Whatdoesn’tkillyouWhatdoesn’tkillyouWhatdoesn’tkillyouListentothemusicandfillintheblanks.主主主Nowreadthetextandfindsimilarcomplexsentences.Translatethem.Readthesentencesyoufillinandfigureoutthequestion.Whatarethecomponents

inthelyrics?Subjects！LearningObjectivesAttheendoftheclass,thestudentswillbeableto:①knowthedefinition

ofsubjectclause;②useconjunctions(连接词)ofsubjectclauseproperlyaccordingtothecontext;③

beabletousethesubjectclausecorrectlyinreadingandwritingWhat’sthesubject?什么是主语？1.YuanLongpingisoneofChina’smostfamousscientists.2.Hemadelargedonationstosupportagriculturalresearch.3.Todevelopthefirsthybridricecosthimalotoftime.4.Keepingallthepeopleawayfromhungerishislifelongpursuit.5.Whathereallycareaboutwasnotmoneyorcelebrity.结论：☞主语是句子说明的人或事物，一般放在______。☞一个句子来充当_______叫主语从句。句首主语主语从句一、定义及位置1.WhatimpressedpeoplemostaboutYuanLongping

washisongoingabilitytofulfillhisdreams.2.Itisestimated

thatabout60percentofdomesticriceconsumptioninChina

iscomprisedofcropsgeneratedfromYuan’shybridstrains.在复合句中充当____________的从句叫做主语从句，属于名词性从句的一种。通常放在主句谓语动词________或由形式主语______代替，而从句本身放在句子末尾。之前主语it二、连接词的选用

1.从属连词that,whether/ifConclusion:that在句中______（充当/不充当）句子成分，______（有/无）含义，

______(可/不可)省略.whether_____（充当/不充当）充当句子成分；______（有/无）含义，译为“________”；当主语从句在句首时，whether一般________（能/不能）被if替换。if引导的主语从句只能置于_______，常用于口语中。(1).That

YuanLongpinghadrealizedhisdreamofseawaterricesurprisedthewholeworld.(2).Whether

itwaspossibletodevelopahybridofself-pollinating(授粉)plantssuchasricewasamatterofgreatdebate.(3).Itwasdoubtfulwhether/if

YuanLongpingcoulddevelopthehybridrice.不充当无不可不充当有是否不能句末2.连接代词who,whom,whose,what,which,whoever,whatever,whichever(1)Whosesolutiontoboostingyieldsiseffectiveisamatterofdebate.(2)What

YuanLongpingreallycaredaboutwasnotmoneyorcelebrity.(3)Whateverhedidisforthebenefitofthefarmers.(4)WhichlifestyleYuanLongpingchoseafterretirementisdifferentfromthecommonchoice.(5)Whodigestthecropswithusingchemicalsforalongtimemaysufferfromcancer.(6)Whichevercropsyouplantshoulddonoharmtopeople’sheath.Conclusion:引导主语从句的连接代词，在句中可充当______、_______、表语、_______等成分。主要包括：“谁”_______、“无论谁”_______“什么”_______、“无论什么”_______、“谁的”_______、“哪一个”_______、“无论哪一个__________”。主语宾语定语who/whomwhoeverwhatwhateverwhosewhichwhichever连接代词在从句中功能what,who,whom,wh+ever作主语、宾语、表语Which（whichever），whose,作定语3.连接副词:how,when,why,where(1)Howthehybridricewasdevelopedwaschallengingatthattime.(2)Whenthesewheatfarmerswilljointhispilotexperimentremainsanunansweredquestion,(3)Whyorganicfarmersplantdiversecropsistokeepthesoilrich.(4)WhereYuanLongpingandhisresearchteamtry“seawaterrice”includesQingdaoandNingxia.Conclusion:引导主语从句的连接副词，在句中做_______。主要包括：“怎么样”

_______

，“什么时侯”

_______

“为什么”_______

，“在/去什么地方”

_______

，。状语howwhywherewhenSummary

类别例词成分从属连词that,whether/if两者在从句中均不作成分，只起连接作用；that无实义，whether表示“是否”。连接代词who,whom,what,whoever,whatever,whicheverwhich,whose在从句中作主语、宾语、表语、定语等成分。连接副词when,where,how,why…在从句中作时间、地点、方式、原因状语等成分。ConjunctionsofSubjectClause主语从句的连接词“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____时间状语用______；地点状语用______；原因状语用_____；方式状语用_____；缺定语用_________；什么都不缺用_______，缺“是否”_______whowhatwho/whomwhatwhenwherewhyhowwhich/whose主语从句的连接词thatwhether所谓“缺什么补什么”是指从句与连词之间的关系。学法指导Practice

1.___________itwillrainornothasnotbeenheard.2.______struck

me

most

in

the

movie

was

thefather’s

deeplove

for

his

son.WhetherWhat3.Everyyear,__________makesthemostbeautifulkitewillwinaprizeintheKiteFestival.when4.______weunderstandthingshasalottodowithwhatwefeel.5.Exactly______thepotatowasintroducedintoEuropeisuncertain,butitwasprobablyaround1565.Howwhoever6._________thechildformedthehabitofplayingcomputergamesmadehismotherangry.That注意事项：

找出下列句子中的错误，并总结规律（1）Whenwillhecomeisnotknown.1.✳主语从句一律用陈述语序，即主语在前，谓语在后。正：Whenhewillcomeisnotknown.（3）Whenhewillcomeareapuzzle.2✳主语从句的主句谓语动词多用第三人称单数形式。正：Whenhewillcomeisapuzzle.（4）Whatheneedsisabook.Whatheneedsaresomebooks.3.✳what用法特殊，根据表语决定主句动词的单复数形式。随堂测试1.Wholeftmetheseflowersarenotcleartome.2.Who’sticketthisishasnotbeenconfirmed.3.Whenthetestwillbegivenhavenotbeendecided.4.WhathaveIforgottenisthatIhaveatesttoday.isWhosehasIhave（5）Thatwecan'tgotoseethemovieisapity.

Itisapitythatwecan'tgotoseethemovie.形式主语主语从句作真正的主语4.✳it作形式主语。主语从句为了避免头重脚轻现象,用it做形式主语，而把从句放在后面充当真正的主语。Itisimportantthatfarmersdevelopanawarenessoforganicfarming.It

surprisedthewholeworldthatYuanLongpinghadrealizedhisdreamofdevelopingseawaterrice.Itisagoodthing

thatYuanandhisteamproduced“seawaterrice”.Itisestimated

that

about60percentofdomesticriceconsumptioninChina

iscomprisedofcropsgeneratedfromYuan’shybridstrains.三、it作形式主语的主语从句It作形式主语It+be+形容词+that从句It+动词+that从句It+be+名词+that从句It+be+过去分词+that从句necessary,essential,clear,true,strange,important,possible,likelysurprise,seem,happen,occur,matterapity,agoodidea,ashame,nowonderreported,well-known,believed,suggested(从句谓语用shoulddo)Practice.1.Itisobvioustothestudents______theyshouldgetwellpreparedfortheirfuture.A.asB.whichC.whetherD.that2.____isreportedthatthewildplantcontainsrichvitamins.3.____hasbeenprovedthatitisnotrighttogiveachildwhateverhewants.ItItSummary主语从句连接词的选用定义在复合句中充当____________的从句叫做主语从句，属于名词性从句的一种。通常放在主句谓语动词________或由形式主语______代替，而从句本身放在句子末尾。主语之前it类别例词成分从属连词that,whether/if两者在从句中均不作成分，只起连接作用；that无实义，whether表示“是否”。连接代词who,whom,what,whoever,whatever,whicheverwhich,whose在从句中作主语、宾语、表语、定语等成分。连接副词when,where,how,why…在从句中作时间、地点、方式、原因状语等成分。It作形式主语It+be+形容词.+that+主语从句It+动词+that+主语从句It+名词+that+主语从句It+be+过去分词+主语从句找出主语从句分析从句缺什么成分HowtochoosetheconjunctionsofSubjectClause?单个从句做主语时，主句谓语用____________两个/多个连接词引导一个主语从句，主句谓语用______and连接两个/多个主语从句时，主句谓语用_________what在主从中做宾语时，主句谓语的数由主句______决定单复数从句做主语时，主句中谓语动词的数单数单数复数表语语法链接写作（活动介绍）人们普遍认为这个活动是一个增强我们意志的机会。Itiswidelyacknowledgedthattheactivityisanopportunitytostrengthenourwill.2.她突然想起她把钥匙落在办公室里了。（strike）Itstruckherthatshehadleftherkeyintheoffice.3.(演讲稿)非常荣幸在这里分享我种植蔬菜的经历。Itismyhonortobeheretosharemyplantingvegetablesexperiencewithyou.4.让我担忧的是，我被叫起来在同学面前读自己的文章。WhatworriedmewasthatIwascalledtoreadmyarticleinfrontoftheclass.5.我突然间意识到没有老师的鼓励和我的决心，我不可能克服我的害羞。Itdawnedonmethat(突然意识到)withoutmyteacher’sencouragementandmydetermination,Icouldn’thaveovercomemyshyness.23完成句子1（2021年天津卷）假设你是晨光中学的李津。我市为外国友人提供生活信息的某英文网站新增了《最美中华》栏目，请你给该栏目投稿，介绍一个国内你喜欢或去过的地方。内容包括：1.该地基本情况；2.该地特色；3.你对该地方的印象和感受。翻译：最令人印象深刻的是它的许多多层次的瀑布和五颜六色的湖泊。___________________________________

isitsmanymulti-levelwaterfallsandcolorfullakes.Whatisthemostimpressive24完成句子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._____________________________

wereallkindsofanimals,greenvegetablesandfruittreesonthefarm.Whatcameintosight25完成句子3（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。_______