Unit5WorkingtheLandDiscoverUsefulStructuresSubjectClause句子類型簡單句并列句復合句主句形容詞性從句(定語從句)名詞性從句副詞性從句(狀語從句)主語從句賓語從句表語從句同位語從句從句Lead-in5.Tofindyourwaycanbeaproblem.

4.Smokingisbadforyou.1.Janeworkshard.2.Youareastudent.

3.Theoldshouldberespected.What’sthesubject?（什么是主語？）6.Whatshesaidisnotyetknown.結論：?主語是句子說明的人或事物，一般放在______。?一個句子來充當_______叫主語從句。句首主語主語從句作主語名詞作主語代詞作主語形容詞作主語動名詞作主語動詞不定式時作主語1.However,

concernedhimmostwas

farmersoftenhadpoorharvestsandsometimesevenhadaseriousshortageoffoodtoeat.2.

thiscouldbedonewasachallengingquestionatthe

time.3.However,

itwaspossibletodevelopahybridofself-

pollinatingplantssuchasricewasamatterofgreatdebate.4.Today,

isestimated

about60percentof

domesticrice...5.

impressespeoplemostaboutYuanLongpingishisongoingabilitytofulfilhisdreams.課文原句回顧whatthatHowwhetheritthatWhat1.Themanislookingatyou.2.Youareastudent.3.Tofindyourwayisaproblem.4.Smokingisbadforyou.5.Whatyouneedisabook.6.ThatTomwillcomehereexcitesme.7.Whentheywillturnupisuncertain.8.Itisapitythatyoudidn’tseehim.在句中充當主語的從句叫做主語從句Findoutthesubjectinthesentences.在主從復合句中，充當主語的從句是主語從句。它是名詞性從句的一種。引導主語從句的連接詞有從屬連詞、連接代詞和連接副詞。什么是主語從句？Presentation引導主語從句的從屬連詞有：that、whether、if引導主語從句的連接連詞有：who、whoever、whom、whose、what、whatever、which、whichever引導主語從句的連接副詞有：when、where、how、why引導主語從句的連接詞“缺什么補什么”原則缺主語，指人用____，指物用_____；缺賓語，指人用_________

，指物用_____；缺時間狀語用______；缺地點狀語用______；缺原因狀語用_____；缺方式狀語用_____；缺定語用__________。什么都不缺用_______，缺“是否”_______；whowhatwho/whomwhatwhenwherewhyhowwhich/whosethatwhether1.That

Yuandevotedallhislifetodevelopinghybridrice

movedallpeoplearoundtheworld.2.Whetheritwaspossibletodevelopahybridplantwasamatterofgreatdebate.that_____成分，___意義，____省略。whether____成分，__意義，譯為_____。

從屬連詞引導主語從句只起引導作用，在主語從句中不充當任何成分。不做是否無不能不做有1.從屬連詞：that；whether；ifwhether與if引導主語從句：如果主語從句位于句首，不能用if引導，此時，只能用whether。但如果用it作形式主語，而把主語從句放在句末時，也可以用if引導。用whether或if填空1.

Itdoesn’tmatter___________hewillcomeornot.2.________we’llgocampingtomorrowdependsontheweather.3.Itwasdoubtful___________TomreallysawSharon.4.________TomreallysawSharonwasdoubtful.whether/ifWhetherwhether/ifWhetherWhowillgomakesnodifference.Whatweneedismoretime.WhichbookIshallchoosehasn'tbeendecided.Whoeverbreaksthelawwillbepunished.who在主語從句中充當_____,譯為___。what在主語從句中充當_____,譯為____。which在主語從句中充當_______,譯為_______。whoever在主語從句中充當_______,譯為_______。賓語什么主語誰主語無論誰定語哪一個2.連接代詞:who、whoever、whom、whose、what、whatever、which、whicheverWhenwewillleavehasn'tbeendecided.Wherethemeetingwillbeheldisnotknown.Whyhecriesisnotclear.Howshekeepshealthyisasecret.when在主語從句中充當__________,譯為_________。where在主語從句中充當__________,譯為_________。why在主語從句中充當__________,譯為_________。how在主語從句中充當__________,譯為_________。時間狀語什么時候地點狀語哪里原因狀語為什么方式狀語怎樣3.連接副詞：when、where、how、why從屬連詞(不作成分）that無詞義、不翻譯、不可省略whether/if意為“是否”。如果有形式主語it，whether可換成if。如果whether在句首或后面直接跟ornot時，不能換成if。連接代詞（作成分）what,who,whom,which,wh-+ever,whose等在從句中充當主語、賓語、表語、定語等成分。連接副詞（作狀語）when,where,how,why在從句中作時間、地點、方式、原因狀語等成分。引導主語從句的連接詞1.Whenwillhecomeisnotknown.?主語從句一律用陳述語序，即主語在前，謂語在后。正：Whenhewillcomeisnotknown.2.Wherewillhegoisnotyetfixed.正：Wherehewillgoisnotyetfixed.找出下列句子中的錯誤，并總結規律1.Whetherthepatientwillbetaken

______unknown.2.Whenandwherethepatientwillbetaken_____unknown.3.Whenthetaskcanbefinishedandwhetherhecanhavearest_____unknown.4.Whathewantsmost____stayingwithhisfamily.

Whattheyneed_______masks(口罩).is單個從句做主語，謂語大多數使用_______(單數？復數？)單數由兩個連接詞引導同一個主從，謂動使用____(單數？復數？)單數主語為and連接的兩個主從時，謂動使用____(單數？復數？)復數what在主從中做賓語時，謂語的單復數取決它后面的表語。areisareis探尋規律1：主語從句主謂一致問題Thatallcountriesworktogetherisimportant.

用一個

It

來解決問題！Itisimportantthatallcountriesworktogether.

★主語從句為了避免頭重腳輕現象,用it做_________，而把從句放在后面充當____________。真正的主語形式主語探尋規律2：主語從句太長怎么辦？(1)It+be+形容詞（obvious,true,surprising,wonderful,possible,likely,certain)+that從句(2)It+be+動詞的過去分詞(said,reported,thought,expected,decided,announced,suggested等)+that從句(3)It+be+名詞詞組(apity,ashame,goodnews,anhonor,nowonder等)+that從句(4)It+動詞/動詞短語(seem,appear,happen,matter,turnout,occurto等)+that從句It作形式主語的常見句型Summary定義主語從句引導詞形式主語主謂一致

作用，位置

從屬連詞，連接代詞，連接副詞

單個主語從句-單數多個主語從句-復數

It＋be＋形容詞/名詞短語/過去分詞/不及物動詞＋that從句語序

陳述語序1.________hewillsucceediscertain.2.________hewillgothereisstillamystery.3.________hesaidisnottrue.4.________willhappentotheworldisdifficulttopredict.5.__________wewillgocampingtomorrowdependsontheweather.6._______willtaketheplaceofouroriginalheadmasterhasn’tbeendecidedyet.7._______hegaveupthechanceofstudyingabroadisunknown.ThatWhetherWhatWhatWhetherWhoWhy1.Filltheblankswiththerightwords.Practice8.________wewillhavethepicnicnextweekisbeingdiscussed.9.____________________________hehidthemoneyistobefoundout.10.________willbechosenournewmonitorisstillunknown.11.Itisbynomeansclear_____thepresidentcandotoendthestrike.12.Itremainstobeseen__________thenewlyformedcommittee'spolicycanbeputintopractice.13._______youneedisagreatteacherwholetsyoumakemistakes.Where/When/How/WhyWhowhetherwhatWhatWhen/Where1.你做的任何事都是正確的。____________________________________________________2.手表屬于誰是未知的。____________________________________________________3.我們需要的是時間。____________________________________________________4.大家相信善行會帶給我們好運。____________________________________________________Whateveryoudidwasright.Whomthewatchbelongstoisunknown.Whatweneedistime.Itisbelievedthatgooddeedswillbringusfortune.2.Translatethesentences.1.

remainsanunansweredquestion.2.

isanimportanttopicforustoresearch.3.

isthatthesechemicalsmayevencausecancer.4.

thesevegetablescanevenbeplantedwithoutanysoilthroughthisnewtechnology.5.

isthereasonwhysomepeopleprefertoliveinthecountryratherthaninthecity.A.WhatworriesmanypeopleB.ThatthelifestyleisslowerandhealthierC.HowwecanfindasuitablesolutiontoproducesufficientfoodD.WhenthesewheatfarmerswilljointhispilotexperimentE.ItamazedallofusthatDCAEB3.Matchthesentenceparts.（P532）Grandmahasbeencomplainingaboutthevegetablessoldinthesupermarket,whichhavebeengrownusingchemicalfertilisers.Toher,thattheylookbeautifulontheoutsideisobvious.However,whatsheisunhappyaboutisthelowernutritionalvalueandreducedflavour.Nowthatbothofmygrandparentshaveretiredfromtheirjobsinthecity,howtheyaregoingtospendtheirretirementisanimportantdecisionforthem.Whethertheycanliveahealthylifeisthefirstthingtheyareconsidering.Sotheyhavemadeuptheirmindstomovetothecountryside,wheretheycanliveagreenlife.4.Readthepassageandunderlineallthesubjectclauses.Theninpairs,discusswhetherthesentenceswithsubjectclausescanbeparaphrased.1.WhathaveIforgottenisthatIhaveatesttoday.2.Wholeftmetheseflowersarenotcleartome.3.Thisisobviousthatstudentsshouldpreparewellfortheirfuture.

4.Who’sticketthisishasnotbeenconfirmed.5.Whenthetestwillbegivenhavenotbeendecided.5.Circleandcorrectthemistakeineachsentence.(P903)WhatIhaveforgottenisItWhosehasnot1.hesaid/reasonable2.shewillaccepttheinvitation/notclearyet3.theanimalsaremovingto/notexactlyknown4.youhaverecoveredfromyourillness/agreatrelieftous5.hehasbecomedistantrecently/myconcernWheretheanimalsaremovingtoisnotexactlyknown.Thatyouhaverecoveredfromyourillnesswillbeagreatrelieftous.Thathehasbecomedistantrecentlyismyconcern.Whathesaidseemsreasonable.Whethershewillaccepttheinvitationisnotclearyet.6.Makesentencesusingsubjectclauseswiththehelpoftheclues.(P902)EXAMPLEhethought/completelywrongWhathethoughtwascompletelywrong.7.Rewritethesentencesusingsubjectclauses.(P901)EXAMPLEI’dlikeyoutofindouthownewtechnologiescanincreasegrapeproduction