Unit5WorkingTheLandDiscoveringUsefulStructures主语从句课件高中英语人教版选择性

Unit5Unit5WorkingthelandDiscoverusefulstructures-SubjectClauseIdentifysubjectclauses，chooseproperleadingwordsandarrangecorrectwordorderofsubjectclauses，andfollowtheruleofSubject-PredicateAgreement(主谓一致)whenusingsubjectclauses.2.UsesubjectclausestowriteaparagraphaboutProf.YuanLongping’sgoodqualitiesandgreatachievements.Bytheendoftheclass,learnerswillbebetterabletoWhatconcernedYuanmostwhilehewasyoung?2.Whatdidhechoosetostudyincollege?--WhatconcernedYuanmostwhilehewasyoungwasthat_______________________.--Whathechosetostudywas____________.agricultureLead-infarmershadpoorharvestsActivity1Circle

the

subject

in

each

sentence.Heconsideredhimselfafarmer.Yuan’sinnovationhashelpedtofeedmorepeople.UsingsaltylandinChinaforriceproductionwashislatestvision.Howthiscouldbedonewasachallengingquestionatthetime.WhatconcernedYuanLongpingmostwasthatfarmersoftenhadpoorharvests.Whenasentenceservesassubject,wecallitSubjectClause.ReviewandExploreThatYuanLongpingcaredlittleforcelebrityormoneywastrue.Whetheritwaspossibletodevelopthehybridricewasindebate.Whowillsolvethesoilproblemisunknown.Whichoneisthebesttoexpandoutputisnotclear.WhenYuanwouldretiretoalifeofleisurewasnevermentioned.Wherethehybridricecanbeplantedisaquestion.WhyYuandevelopedseawaterricewastofeedmorepeople.Activity2Underlinethesubjectclausesinthesesentencesandcircletheleadingwords(引导词)ofthesubjectclauses

.ObserveandAnalyzeSubordinatingconjunctions从属连词ConjunctionalPronouns连接代词ConjunctionalAdverbs连接副词what,who,whom,whose,whichthat,whetherwhen,where,how,why

Leadingwords(引导词)ofsubjectclauses(无意义）(是否）（不作成分）（作主、宾、表、定语）（均有各自意义）（作状语，均有各自意义）ClassifyandSummarizethat无意义，不能省略。意为“是否”，不可省略。从属属连词：that、whetherwhetherwhetherwhetherWhether在句中不仅起连接词的作用，并充当句中的主语、宾语、表语或定语。who、whom、whose、what、which、whenever,whatever、whoever、whichever在主语从句中作主语在主语从句中作宾语whenever在主语从句中作状语连接代词:1、谁将赢得比赛还不知道。Whowillwinthematchisnotsure.2、我需要的就是休息。WhatIneedisrest.3、_______youlackisself-confidence.What4、

_______moreandmorestudentsgotouniversitiesistrue.Thatwhat和that如何选用？引导名词性从句时不仅起连接词的作用，也在句中作状语。例：1.Whenwe’llstarttomorrowwillbetoldsoon.

2.Whyhecamehereisnotknown.3.Howthishappenedisnotcleartoanyone.连连接副词：when、where、how、why接副词：when、where、how、whywhen作时间状语why作原因状语how作方式状语Completethefollowingsentencesandfocusonthewordorder

（语序）insubjectclauses.__________________________________(袁隆平选择在哪里学习农业）wasnotanaccident._____________________________________(他是否能研发出杂交水稻)wasnotclearthen.____________________________________(杂交水稻将如何提高产量)ishighlyexpected.HowthehybridricewillexpandoutputWhereYuanchosetostudyagricultureWhetherhecoulddevelopthehybridrice主语从句用______语序!陈述TranslateandSummarizeThathewillpasstheexamiscertain.Howshekeepshealthyisasecret.WhichbookIshallchoosehasn’tbeendecided.主语从句作主语时，句子谓语一般用_______。单数

Subject–PredicateAgreement（主谓一致）ObserveandSummarize1.Whetherthepatientwillbetaken______unknown.2.Whenandwherethepatientwillbetaken_____unknown.3.Whenthetaskcanbefinishedandwhetherhecanhavearest_____unknown.4.Whathewantsmost____stayingwithhisfamily.

Whattheyneed_______masks(口罩).单个从句做主语，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_______。单数单数复数isisareis

are表语Practice:Activity3Explorethestructuresofthefollowingsentences.isestimatedthatabout60%ofChina’sriceconsumptionisfromYuan’shybridstrains.That

about60%ofChina’sriceconsumptionisfromYuan’shybridstrains

is

estimated.形式主语主语从句作真正的主语It

ObserveandAnalyze为了避免主语显得过长，可以用it作形式主语，把主语从句移到句子的末尾。

“it”asaformalsubject（形式主语）1.surprisedus.2.hasn’tbeendecidedyet.3.isknowntoall.ThatShuJiehaowascriticisedbyMrs.ChenItWhethertheywillsellthehouseItThatEnglishisthemostwidelyusedlanguageintheworldIt众所周知，农业是我国的基础。Activity4TranslatethesentenceintoEnglishusingsubjectclauseanddisplay.That-It-Thatagricultureisthefoundationofourcountryiswell-known.Itiswell-knownthatagricultureisthefoundationofourcountry.TranslateandDisplayItisobviousthathelostthegame.Itissaidthattherewillbeasportsmeetinginourschool.ItisanhonorthatIaminvitedtogiveaspeechhere.IthappenedthatIcameacrossmyheadteacheryesterday.Practice:Itis＋＋that…•he/sheisdevotedto…afactimportant...apity...well-knownestimated

It作形式主语的常见结构saidreportedObserveandSummarize

It+不及物动词(happen/seem/occurto/turnout...)+主语从句ItispossiblethatItisobviousthatItisapitythatItisafactthatItisreportedthatItissuggestedthatIthappenedthatItoccurredtomethat【即时演练】Attention1：

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.Attention2：

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.

Activity5Circleandcorrectthemistakeineachsentence.Howcanwefindasolutiontoproducesufficientfoodisanimportanttopicforustoresearch.Thatthelifestyleisslowerandhealthierarethereasonwhysomepeopleprefertoliveinthecountry.Thatworriesmanypeopleisthatthesechemicalsmayevencausecancer.Whatamazesallofusthatvegetablescanevenbeplantedwithoutanysoil.iswecanItWhatisAssessyourprogressActivity6Fillintheblanksinthepassageandunderstandhowthesubjectclausesareused.WhatwaswhatHowwhetherthatAssessyourprogressWhatqualitiesdoyouthinkmadeYuanLongpingsosuccessful?

Activity7BrainstormYuan’sgoodqualitiesYuan’sgoodqualitiesdedicatedhard-workingpersistentselfless…Createyourwritingkind-hearted