Unit5WorkingTheLandDiscoveringUsefulStructures主語從句課件高中英語人教版選擇性

Unit5Unit5WorkingthelandDiscoverusefulstructures-SubjectClauseIdentifysubjectclauses，chooseproperleadingwordsandarrangecorrectwordorderofsubjectclauses，andfollowtheruleofSubject-PredicateAgreement(主謂一致)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(引導詞)ofthesubjectclauses

.ObserveandAnalyzeSubordinatingconjunctions從屬連詞ConjunctionalPronouns連接代詞ConjunctionalAdverbs連接副詞what,who,whom,whose,whichthat,whetherwhen,where,how,why

Leadingwords(引導詞)ofsubjectclauses(無意義）(是否）（不作成分）（作主、賓、表、定語）（均有各自意義）（作狀語，均有各自意義）ClassifyandSummarizethat無意義，不能省略。意為“是否”，不可省略。從屬屬連詞：that、whetherwhetherwhetherwhetherWhether在句中不僅起連接詞的作用，并充當句中的主語、賓語、表語或定語。who、whom、whose、what、which、whenever,whatever、whoever、whichever在主語從句中作主語在主語從句中作賓語whenever在主語從句中作狀語連接代詞:1、誰將贏得比賽還不知道。Whowillwinthematchisnotsure.2、我需要的就是休息。WhatIneedisrest.3、_______youlackisself-confidence.What4、

_______moreandmorestudentsgotouniversitiesistrue.Thatwhat和that如何選用？引導名詞性從句時不僅起連接詞的作用，也在句中作狀語。例：1.Whenwe’llstarttomorrowwillbetoldsoon.

2.Whyhecamehereisnotknown.3.Howthishappenedisnotcleartoanyone.連連接副詞：when、where、how、why接副詞：when、where、how、whywhen作時間狀語why作原因狀語how作方式狀語Completethefollowingsentencesandfocusonthewordorder

（語序）insubjectclauses.__________________________________(袁隆平選擇在哪里學習農(nóng)業(yè)）wasnotanaccident._____________________________________(他是否能研發(fā)出雜交水稻)wasnotclearthen.____________________________________(雜交水稻將如何提高產(chǎn)量)ishighlyexpected.HowthehybridricewillexpandoutputWhereYuanchosetostudyagricultureWhetherhecoulddevelopthehybridrice主語從句用______語序!陳述TranslateandSummarizeThathewillpasstheexamiscertain.Howshekeepshealthyisasecret.WhichbookIshallchoosehasn’tbeendecided.主語從句作主語時，句子謂語一般用_______。單數(shù)

Subject–PredicateAgreement（主謂一致）ObserveandSummarize1.Whetherthepatientwillbetaken______unknown.2.Whenandwherethepatientwillbetaken_____unknown.3.Whenthetaskcanbefinishedandwhetherhecanhavearest_____unknown.4.Whathewantsmost____stayingwithhisfamily.

Whattheyneed_______masks(口罩).單個從句做主語，大多數(shù)使用_______(單數(shù)？復數(shù)？)由兩個連接詞引導同一個主從，謂動使用_______(單數(shù)？復數(shù)？)主語為and連接的兩個主從時，謂動使用________(單數(shù)？復數(shù)？)what在主從中做賓語時，謂語的單復數(shù)取決它后面的_______。單數(shù)單數(shù)復數(shù)isisareis

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

about60%ofChina’sriceconsumptionisfromYuan’shybridstrains

is

estimated.形式主語主語從句作真正的主語It

ObserveandAnalyze為了避免主語顯得過長，可以用it作形式主語，把主語從句移到句子的末尾。

“it”asaformalsubject（形式主語）1.surprisedus.2.hasn’tbeendecidedyet.3.isknowntoall.ThatShuJiehaowascriticisedbyMrs.ChenItWhethertheywillsellthehouseItThatEnglishisthemostwidelyusedlanguageintheworldIt眾所周知，農(nóng)業(yè)是我國的基礎。Activity4TranslatethesentenceintoEnglishusingsubjectclauseanddisplay.That-It-Thatagricultureisthefoundationofourcountryiswell-known.Itiswell-knownthatagricultureisthefoundationofourcountry.TranslateandDisplayItisobviousthathelostthegame.Itissaidthattherewillbeasportsmeetinginourschool.ItisanhonorthatIaminvitedtogiveaspeechhere.IthappenedthatIcameacrossmyheadteacheryesterday.Practice:Itis＋＋that…?he/sheisdevotedto…afactimportant...apity...well-knownestimated

It作形式主語的常見結構saidreportedObserveandSummarize

It+不及物動詞(happen/seem/occurto/turnout...)+主語從句ItispossiblethatItisobviousthatItisapitythatItisafactthatItisreportedthatItissuggestedthatIthappenedthatItoccurredtomethat【即時演練】Attention1：

如果過去分詞是suggested,ordered,required,advised,requested等表示建議、要求、命令等詞時，從句應該使用虛擬語氣。例:Itissuggestedthatstudents(should)maketheirbedbythemselves.Attention2：

此句型中的形容詞是important,necessary等時，從句應該使用虛擬語氣。例：Itisimportantthatwe(should)learnEnglishwell.

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

Activity7BrainstormYuan’sgoodqualitiesYuan’sgoodqualitiesdedicatedhard-workingpersistentselfless…Createyourwritingkind-hearted