Unit5WorkingthelandDiscoveringUsefulStructures課件高中英語(yǔ)人教版選擇性2

Unit5WorkingtheLandDiscoverUsefulStructures

SubjectClauses(主語(yǔ)從句）江門(mén)市新會(huì)陳經(jīng)綸中學(xué)

高二(11)班

授課老師：姚坤玥

020103TounderstandthegreatcontributionsYuanmadetoChineseagricultureIdentifysubjectclauses;choosecorrectleadingwords;arrangecorrectwordorderDoabrainstormaboutYuan’sgoodqualitiesandwriteaparagraphaboutYuanLearningObjectives

1.WhatconcernedYuanmostwhilehewasyoung？

--WhatconcernedYuanmostwhilehewasyoungwas_____________________________________.

2.Whatdidhechoosetostudyincollege?

--______________________________________________.Lead-inthatfarmershadpoorharvestsWhathechosetostudywasagricultureStep1.IdentifythesubjectWhenasentenceserveassubject,wecallitSubjectClause.復(fù)合句中充當(dāng)主語(yǔ)的從句叫主語(yǔ)從句。1.Hisconcernwasthatfarmershadpoorharvests.2.WhatconcernedYuanmostwasthatfarmershadpoorharvests.learningtips:主語(yǔ)從句開(kāi)始于連詞，截止到第二個(gè)謂語(yǔ)動(dòng)詞前。Circlethesubjectineachsentence:Step2:ObserveandAnalyze1.Whatconcernedhimmostwasthatfarmersoftenhadpoorharvests.2.Whowillwinthecompetitionisstillamystery.3.Whomyouinvitedisnotimportant.4.Whosewatchwaslostwasstillunknown.5.Whichteamwillwinthecompetitionisdifficulttopredict.Underlinethesubjectclausesinthesesentencesandcircletheleadingwordsofthesubjectclauses:Step2:ObserveandAnalyze6.ThatYuanhadrealizedhisdreamofseawaterricesurprisedthewholeworld.7.Whetheritwaspossibletodevelopahybridofself-pollinatingplantswasamatterofgreatdebate.Underlinethesubjectclausesinthesesentencesandcircletheleadingwordsofthesubjectclauses:Step2:ObserveandAnalyze8.WhenYuanwouldretiretoalifeofleisurewasnevermentioned.9.Wherethehybridricecanbeplantedisaquestion.10.WhyYuandevelopedseawaterwastofeedmorepeople.

11.Howthiscouldbedonewasachallengingquestion.Underlinethesubjectclausesinthesesentencesandcircletheleadingwordsofthesubjectclauses:Step3:ClassifyandSummarizeSubordinatingConjunctions從屬連詞（不作成分）that,whether兩者在從句中均不作成分，只起連接作用；ConjunctivaPronouns連接代詞(作主、賓、表、定語(yǔ))（均有各自意義）what,who,whom,whose,which在從句中作主語(yǔ)、賓語(yǔ)、表語(yǔ)、定語(yǔ)等成分。ConjunctivaAdverbs連接副詞(作狀語(yǔ)，均有各自意義)when,where,why,how在從句中作時(shí)間、地點(diǎn)、方式、原因狀語(yǔ)等成分。Step4:ObserveandSummarizeRule1:Subject-predicativeagreement

主謂一致

主語(yǔ)從句作主語(yǔ)時(shí)，句子謂語(yǔ)一般用單數(shù)。1.Thathewillpasstheexamiscertain.2.Howshekeepshealthyisasecret.3.WhichbookIshallchoosehasn’tbeendecided.Circlepredicateverbs(謂語(yǔ)動(dòng)詞)orlinkverbs(系動(dòng)詞)ofofthemainclauses:Step5:TranslateandSummarizeCompletethefollowingsentencesandfocusonthewordorderinsubjectclauses:1.WhereYuanchosetostudyagriculturewasnotanaccident.2.Whetherhecoulddevelopthehybridricewasnotclearthen.3.Howthehybridricewillexpandoutputishighlyexpected.Rule2:主語(yǔ)從句用陳述語(yǔ)序袁隆平在哪里學(xué)習(xí)農(nóng)業(yè)他是否能培育出雜交水稻雜交水稻將如何提高產(chǎn)量1.Thatabout60%ofChina’sriceconsumptionisfromYuan’shybridstrainsisestimated.Step6:ObserveandAnalyze2.Itisestimatedthatabout60%ofChina’sriceconsumptionisfromYuan’shybridstrains.形式主語(yǔ)后面的主語(yǔ)從句作真正的主語(yǔ)主語(yǔ)從句太長(zhǎng)了....★主語(yǔ)從句為了避免頭重腳輕現(xiàn)象,用it做

，而把從句放在后面充當(dāng)

。形式主語(yǔ)Explorethestructuresofthefollowingsentences:真正的主語(yǔ)Step7:TranslateandDisplayTranslatethesentenceintoEnglishusingsubjectclauseanddisplay:眾所周知，農(nóng)業(yè)是我國(guó)的基礎(chǔ)。Answer2.Itiswell-knownthatagricultureisthefoundationofourcountry.Answer1.Thatagricultureisthefoundationofourcountryiswell-known.1.Itseemsthatyoudisagreewiththeplan.2.It’sapitythatyoucan’tattendmybirthdayparty.3.Itissuggestedthatthemeetingbeputoff.4.Itisnecessarythatseveralnurses(should)stay.It+

+主語(yǔ)從句(seem,appear,happen…)不及物動(dòng)詞或系動(dòng)詞It+be+

+主語(yǔ)從句(apity,afact...)名詞It+be+

+主語(yǔ)從句

(said,believed,reported,known…)過(guò)去分詞

It+be+

+主語(yǔ)從句(necessary,obvious,true,strange...)形容詞Step8:ObserveandSummarize:It作形式主語(yǔ)的常見(jiàn)結(jié)構(gòu)：Step9:AssessYourProgressFillintheblanksinthepassageandunderstandhowthesubjectclausesareused:YuanLongping,thefatherofhybridrice,consideredhimselfafarmeratheartanddevotedhislifetomillionsofChinesefarmers.1._______concernedhimmost2.______farmersoftenhadpoorharvests.Therefore,hechosetostudyagriculture.Asaresearcher,3.________Yuanrealizedwasthatlargefieldswerenotthesolutionbuttoexpandoutputinthefields.4.______thiscouldbedonewasachallengingquestion.Yuanfirmlybelievedthattheanswercouldbefoundinthecreationofhybridrice.Yet,5.____________itwaspossibletodevelophybridricewasingreatdebate.Overcomingenormousdifficulties,Yuansucceededindevelopingthefirsthybridricein1973.WhatwaswhatHowwhetherStep10:CreateyourWritingBrainstormYuan’sgoodqualities:Yuan’sgoodqualitiesWhatqualitiesdoyouthinkmadeYuanLongpingsosuccessful?selflesscreativecommittedpersistenthard-workingkind-heartedcuriousStep10:CreateyourWritingUsesubjectclausestowriteaparagraphaboutYuanLongping’sgoodqualitiesandgreatachievementsWhatimpressesmemostisthatYuanLongpingdevotedtohelpingfeedsomanypeople.Itwasimportantthathenevergaveup,despitemanydifficulties.Thathesucceededindevelopingthehybridricewaswhatmadehimgreat.Step10:CreateyourWritingWhether...dependonhisdeterminationtotacklethecrisisof...hisintenseefforttoovercome...hisdreamtodevelop...hisloveandcarefor...ItisimportantthatWhatimpressesmemostisthatWhatmakeshimagreat...isthatThat...ishismostimportantquality.hesucceededin...henevergaveup...heisdevotedto...UsesubjectclausestowriteaparagraphaboutY