Unit5WorkingthelandDiscoveringUsefulStructures课件高中英语人教版选择性2

Unit5WorkingtheLandDiscoverUsefulStructures

SubjectClauses(主语从句）江门市新会陈经纶中学

高二(11)班

授课老师：姚坤玥

020103TounderstandthegreatcontributionsYuanmadetoChineseagricultureIdentifysubjectclauses;choosecorrectleadingwords;arrangecorrectwordorderDoabrainstormaboutYuan’sgoodqualitiesandwriteaparagraphaboutYuanLearningObjectives

1.WhatconcernedYuanmostwhilehewasyoung？

--WhatconcernedYuanmostwhilehewasyoungwas_____________________________________.

2.Whatdidhechoosetostudyincollege?

--______________________________________________.Lead-inthatfarmershadpoorharvestsWhathechosetostudywasagricultureStep1.IdentifythesubjectWhenasentenceserveassubject,wecallitSubjectClause.复合句中充当主语的从句叫主语从句。1.Hisconcernwasthatfarmershadpoorharvests.2.WhatconcernedYuanmostwasthatfarmershadpoorharvests.learningtips:主语从句开始于连词，截止到第二个谓语动词前。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从属连词（不作成分）that,whether两者在从句中均不作成分，只起连接作用；ConjunctivaPronouns连接代词(作主、宾、表、定语)（均有各自意义）what,who,whom,whose,which在从句中作主语、宾语、表语、定语等成分。ConjunctivaAdverbs连接副词(作状语，均有各自意义)when,where,why,how在从句中作时间、地点、方式、原因状语等成分。Step4:ObserveandSummarizeRule1:Subject-predicativeagreement

主谓一致

主语从句作主语时，句子谓语一般用单数。1.Thathewillpasstheexamiscertain.2.Howshekeepshealthyisasecret.3.WhichbookIshallchoosehasn’tbeendecided.Circlepredicateverbs(谓语动词)orlinkverbs(系动词)ofofthemainclauses:Step5:TranslateandSummarizeCompletethefollowingsentencesandfocusonthewordorderinsubjectclauses:1.WhereYuanchosetostudyagriculturewasnotanaccident.2.Whetherhecoulddevelopthehybridricewasnotclearthen.3.Howthehybridricewillexpandoutputishighlyexpected.Rule2:主语从句用陈述语序袁隆平在哪里学习农业他是否能培育出杂交水稻杂交水稻将如何提高产量1.Thatabout60%ofChina’sriceconsumptionisfromYuan’shybridstrainsisestimated.Step6:ObserveandAnalyze2.Itisestimatedthatabout60%ofChina’sriceconsumptionisfromYuan’shybridstrains.形式主语后面的主语从句作真正的主语主语从句太长了....★主语从句为了避免头重脚轻现象,用it做

，而把从句放在后面充当

。形式主语Explorethestructuresofthefollowingsentences:真正的主语Step7:TranslateandDisplayTranslatethesentenceintoEnglishusingsubjectclauseanddisplay:众所周知，农业是我国的基础。Answer2.Itiswell-knownthatagricultureisthefoundationofourcountry.Answer1.Thatagricultureisthefoundationofourcountryiswell-known.1.Itseemsthatyoudisagreewiththeplan.2.It’sapitythatyoucan’tattendmybirthdayparty.3.Itissuggestedthatthemeetingbeputoff.4.Itisnecessarythatseveralnurses(should)stay.It+

+主语从句(seem,appear,happen…)不及物动词或系动词It+be+

+主语从句(apity,afact...)名词It+be+

+主语从句

(said,believed,reported,known…)过去分词

It+be+

+主语从句(necessary,obvious,true,strange...)形容词Step8:ObserveandSummarize:It作形式主语的常见结构：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