Unit5WorkingtheLandDiscoverUsefulStructures主語(yǔ)從句課件高中英語(yǔ)人教版選擇性

SubjectClausesUnit5

WorkingtheLandWhoisknownastheFatherofHybrid?YuanLongpingisknownastheFatherofHybrid?Whatishislifepursuit?Keepingallthepeopleawayfromhungerishislifepursuit.Whatimpressedpeoplemostabouthim?(para.5)Whatimpressedpeoplemostwashisongoingabilitytofulfilhisdreams.

如果一個(gè)從句在句子中擔(dān)當(dāng)主語(yǔ)，那么這個(gè)從句就是主語(yǔ)從句。DefinitionofsubjectclauseCombinethetwosentencesintoone.Yuanhadrealisedhisdreamofseawaterrice.Itsurprisedthewholeworld.ThatYuanhadrealisedhisdreamofseawaterricesurprisedthewholeworld.Combinethetwosentencesintoone.Wasitpossibletodevelopahybridofself-pollinatingplants?Itwasamatterofgreatdebate.Whetheritwaspossibletodevelopahybridofself-pollinatingplantssuchasricewasamatterofgreatdebate.Combinethetwosentencesintoone.WhatconcernedYuanLongpingmost?farmersoftenhadpoorhavestsandsometimesevenhadaseriousshortageoffoodtoeat.Whatconcernedhimmostwasthatfarmersoftenhadpoorharvestsandsometimesevenhadaseriousshortageoffoodtoeat.

Combinethetwosentencesintoone.Howcouldfarmersboostyields?Itwasachallengingquestion.Howfarmerscouldboostyieldswasachallengingquestion.主語(yǔ)從句的引導(dǎo)詞例詞說(shuō)明that在從句中均不作成分，只起連接作用；無(wú)實(shí)義whether在從句中均不作成分，只起連接作用,表示“是否”。連接代詞who,whom,what,which,whoever,whatever等在從句中作主語(yǔ)、賓語(yǔ)、表語(yǔ)、定語(yǔ)等名詞性成分。連接副詞when,where,how,why,whenever,wherever等在從句中作時(shí)間、地點(diǎn)、方式、原因狀語(yǔ)等副詞性成分。主語(yǔ)從句的本質(zhì)：用三種句子--陳述句、一般疑問(wèn)句、特殊疑問(wèn)句，在另一個(gè)句子中做主語(yǔ)。三種引導(dǎo)詞：that,whether,和疑問(wèn)詞（關(guān)系代詞+關(guān)系副詞）。Completethesentencesusingwhat,whether,where,when,

who,why,howorthat.1._____isneededforsuccessisyourhardwork.2._____wewillgotoBeijinghasbeenknowntoeveryone.3.____canjoininthesportmeetisdecidedbytheteacher.4.________itwillrainornotisnotclear.6.____theearthisasolidballisknowntousall.WhatThatWhoWhetherThatWhy思考2：

主語(yǔ)從句主謂一致問(wèn)題1.Whetherthepatientwillbetaken

______unknown.2.Whathewantsmost_________stayingwithhisfamily.Whattheyneed_______masks(口罩).3.Whenandwherethepatientwillbetaken_____unknown.4.Whenthetaskcanbefinishedandwhetherhecanhavearest________unknown.主句的謂語(yǔ)動(dòng)詞，大多數(shù)使用_______(單數(shù)？復(fù)數(shù)？)由兩個(gè)連接詞引導(dǎo)同一個(gè)主從，謂動(dòng)使用____(單數(shù)？復(fù)數(shù)？)主語(yǔ)為and連接的兩個(gè)主從時(shí)，謂動(dòng)使用____(單數(shù)？復(fù)數(shù)？)what在主從中做賓語(yǔ)時(shí)，謂動(dòng)由______決定單復(fù)數(shù)(主語(yǔ)？表語(yǔ)？)單數(shù)單數(shù)復(fù)數(shù)表語(yǔ)isisareisare主語(yǔ)從句應(yīng)使用_________語(yǔ)序。1.Wherewewillhaveapicnicshouldbediscussed.Wherewillwehaveapicnicshouldbediscussed.2.Howwegoforapicnicshouldbediscussed.Howdowegoforapicnicshouldbediscussed.Rule3陳述句√√××思考1：

主語(yǔ)從句的語(yǔ)序Thatallcountriesworktogetherisimportant.

思考3：

主語(yǔ)從句太長(zhǎng)怎么辦？用一個(gè)

It

來(lái)解決問(wèn)題！

Itisimportantthatallcountriesworktogether.

1.It+be+形容詞＋that從句Itisnecessary/important/obvious/...that…2.It+be+-ed分詞＋that從句Itisbelievedthat…人們相信…Itisknowntousallthat….眾所周知…Ithasbeendecidedthat……已經(jīng)決定……3.It+be+名詞＋that從句4.It+不及物動(dòng)詞＋that從句Itappears/seemsthat…似乎…Ithappensthat….碰巧…Itturnsoutthat……結(jié)果證明是……it作形式主語(yǔ)的四種句型5.ItVsb.that某人突然想起某事Itdawnedupon/onsb.that...Itoccurredtosb.that...Ithit/strucksb.that...主語(yǔ)從句句型Ex.onP90定義主語(yǔ)從句引導(dǎo)詞形式主語(yǔ)主謂一致總結(jié)

作用，位置

從屬連詞，連接代詞，連接副詞

單個(gè)主語(yǔ)從句-單數(shù)多個(gè)主語(yǔ)從句-復(fù)數(shù)

It＋be＋形容詞/名詞短語(yǔ)/過(guò)去分詞/不及物動(dòng)詞＋that從句語(yǔ)序

陳述語(yǔ)序Practice(P53)1.______remainsanunansweredquestion.2.______isanimportanttopicforustoresearch.3.

______

isthatthesechemicalsmayevencausecancer.4.

______

thesevegetablescanevenbeplantedwithoutanysoilthroughthisnewtechnology.5.______isthereasonwhysomepeopleprefertoliveinthecountryratherthaninthecity.A.WhatworriesmanypeopleB.ThatthelifestyleisslowerandhealthierC.HowwecanfindasuitablesolutiontoproducesufficientfoodwhilekeepingtheenvironmentsafeD.Whenthesewheatfarmerswill

jointhispilotexperimentE.ItamazedallofusthatDCAEBReadthepassageandunderlineallthesubjectclauses.Theninpairs,discusswhetherthesentenceswithsubjectclausescanbeparaphrased.WhatqualitiesdoyouthinkmakeapersonlikeYuanLongpingsosuccessful?Workingroups.Haveadiscussionandprepareapresentation.Thefollowingpointsandexpressionsmayhelpyou.

Whatimpressesmemostisthat…

Whatmakeshim/heragreat…isthat…

Itisimportantthat…

Whether…dependson…

That…ishis/hermostimportantquality.1.________________ismorewater.(連接代詞what在從句中作need的賓語(yǔ))我們需要的是更多的水。2._____________________________________________dependsonthetraffic.我們是否能按時(shí)到達(dá)那里由交通情況而定。3.______________________willtakeoffdependsmuchontheweather.延遲的航班什么時(shí)候起飛主要取決于天氣狀況。4.________________________________________________wasneverclear.誰(shuí)都不清楚那個(gè)人為什么沒(méi)更早一點(diǎn)報(bào)告那起事故。5.______________________________________isstillunknown.這封信是誰(shuí)寄的尚不清楚。WhatweneedWhetherwecanarrivethereontimeWhenthedelayedflightWhythemanhadn’treportedtheaccidentsoonerWhotheletterwasfrom1.(2020全國(guó)Ⅱ卷)It’sbeenreported__________76%employeesinsomewesterncountriesareusingemojisatwork.2.(2018全國(guó)卷Ⅲ)I’mnotsure________ismorefrightened,meorthefemalegorilla(大猩猩)thatsuddenlyappearsoutofnowhere.3.(2019全國(guó)Ⅰ卷)_______youneedisagreatteacherwholetsyoumakemistakes.4.(2020全國(guó)新高考I)Writeapoemabout________courage,determination,andstrengthhavehelpedyoufacechallengesinyourlife.5.(2020北京)SothenexttimeIseethatpersonIalsoseethenameonhisorherface,andthatis_________Ineverforgetaname.thatWhathowConsolidationwhowhy

Itwasreported______therewasanaccidentatthecornerofRomanStreetthismorning.Noonesaw______onearthhappenedthen.Acarranintoatruc