Discoveringusefulstructuresunit5recognizeandsummarizethefunctionandtherulesofthesubject-clause.summarizethesyntacticfunctionofthesubjectclauseconnectiveandtheusageofitastheformalsubject.beabletousethesubjectclausecorrectlyinwrittenandoralexpression.Learning

objectivesBytheendofthisclass,youwillbeableto:DiscoveringtherulesPart1WhatYuanLongpingreallycaredabout

wasnotmoneyorcelebrity.Translatethesentence.袁隆平真正關(guān)心的不是金錢或名人。ThatYuanLongpinghadrealizedhisdreamofseawaterricesurprisedthewholeworld.Translatethesentence.袁隆平實(shí)現(xiàn)了他“海水大米”的夢(mèng)想震驚了全世界。Whatconcernedhimmostwasthatfamersoftenhadpoorharvestsandsometimesevenhadaseriousshortageoffoodtoeat.Translatethesentence.最讓他擔(dān)心的是農(nóng)民們常常收成不好，有時(shí)甚至嚴(yán)重缺乏食物。Whetheritwaspossibletodevelopahybridofself-pollinatingplantssuchasricewasmatterofgreatdebate.Translatethesentence.是否有可能培育出一種像水稻這樣的自花授粉植物的雜交種是一個(gè)非常有爭(zhēng)議的問題。Howthiscouldbedonewaschallengingquestionatthetime.Translatethesentence.如何做到這一點(diǎn)在當(dāng)時(shí)是一個(gè)具有挑戰(zhàn)性的問題。Itisestimatedthatabout60percentofdomesticriceconsumptioninChinaiscomprisedofcropsgeneratedfromYuan’shybridstrains.Translatethesentence.據(jù)估計(jì)，中國國內(nèi)約60%的大米消費(fèi)是由袁的雜交品種生產(chǎn)的。Summary主語從句連接詞從屬連詞：不作成分連接副詞：作狀語It作形式主語含義在句子中充當(dāng)主語的句子就是主語從句連接代詞：作

主，賓，表，定語

從屬連詞(不作成分）連接代詞（作主,賓,表,定語）連接副詞（作狀語）what,who,whom,which,

whose,wh+everhow,when,where,whythat(無意義),whether/if主語從句的連接詞分類StudyingtherulesPart2引導(dǎo)主語從句，只起引導(dǎo)作用，在主語從句中不充當(dāng)任何成分。1.Thatpricewillgoupiscertain.2.Whetherwegobytrainorbyboatmakesnodifference.3.Itdoesn’tmatterwhether/ifhewillcomeornot.從屬連詞：that、whether、ifthat無意義，不能省略。whether，可置于句首句末，if不可置于句首，意為“是否”，不可省略。【即時(shí)演練】Itdoesn’tmatter_________hewillcomeornot.________we’llgocampingtomorrow dependsontheweather.Itwasdoubtful___________TomreallysawSharon.________TomreallysawSharonwasdoubtful.補(bǔ)全句子：_______________________madeusveryhappy.她能來幫助我們使我們很高興。_________________________doesn’tmattertoomuch.她來不來都沒關(guān)系。whether/ifwhetherwhether/ifWhetherThatshecouldcometohelpusWhethersheiscomingornot在句中不僅起連接詞的作用，并充當(dāng)句中的主語、賓語、表語或定語。連接代詞:who、whom、whose、what、which、whenever、whatever、whoever、whichever例：1.Whatwedon'thavealwaysattractsus.

2.Whowillbethepresidentisstillunknown.3.Whenever

youcomeiswelcomed.

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我最喜歡的是你的發(fā)型。_____Ilikemostisyourhairstyle.What【即時(shí)演練】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(dǎo)名詞性從句時(shí)不僅起連接詞的作用，也在句中作狀語。例：1.Whenwe’llstarttomorrowwillbetoldsoon.

2.Whyhecamehereisnotknown.3.Howthishappenedisnotcleartoanyone.連接副詞：when、where、how、whywhen作時(shí)間狀語why作原因狀語how作方式狀語Whowhether/if

Whenthat【用適當(dāng)?shù)倪B接詞填空?！?/p>

(1)_____willbesenttocarryoutthetaskhasn’tbeensettled.(2)Itdoesn’tmatter__________itturnsouttobeagoodideaorabadidea.(3)_____Johnwillarriveisunknown.(4)It’spossible______hehasn’treceivedtheletter.02主語從句中it作形式主語的結(jié)構(gòu)為了避免主語冗長(zhǎng)，句子頭重腳輕。經(jīng)常用it作形式主語。例：Thattheearthisroundisknowntoall.=Itisknowntoallthattheearthisround.it作形式主語clear,obvious,likely,probable,true…句型一形容詞It+be+形容詞+主語從句

做......是......的1.Itwassurprisingthatshepassedthedifficultexam.2.Itisnotclearwhetherhetoldalie.Attention：

此句型中的形容詞是important,necessary等時(shí)，從句應(yīng)該使用虛擬語氣。例：Itisimportantthatwe(should)learnEnglishwell.said,reported,believed,thought,announced…句型二過去分詞2.It+be+過去分詞+主語從句據(jù)......1.Itissaidthattheyareidenticaltwins.2.Itisreportedthatabigearthquakehitthearea.Attention：

如果過去分詞是suggested,ordered,required,advised,requested等表示建議、要求、命令等詞時(shí)，從句應(yīng)該使用虛擬語氣。例：Itissuggestedthatstudents(should)maketheirbedbythemselves.apity，anhonor，agoodidea，afact,a/nosurprise，nowonder......句型三名詞3.It+be+名詞+主語從句做......是......的1.It

isapitythathemissedsuchaninterestingfilm,2.

Itisgoodnewsthathehasrecovered.seem,happen,appear,look,occur,turnout…句型四不及物動(dòng)詞4.It+不及物動(dòng)詞+主語從句1.It

happenedthattheywereoutthatday.碰巧那天他們不在家。2.Itseemsthatitisgoingtorain.

看起來要下雨了。worry,shock…句型五及物動(dòng)詞5.It+及物動(dòng)詞+賓語+主語從句Itshocksmethathefailedinthisexam.他沒通過考試，震驚到我了。【即時(shí)演練】1.____isafactthatEnglish

isbeingacceptedasaninternationallanguage.2.Itisuncertain_______hecancometoJenny’sbirthdaypartyornot.3._______hemadeanimportantspeechatthemeetingwastrue.4.____isknowntousallthatAmericaisadevelopedcountry.5.Everyyear,_______makesthemostbeautifulkitewillwinaprizeintheKiteFestival.ItwhetherThatItwhoever1.__________________(可能)shewillcomebacktomorrow.2.__________________(很明顯)thismeasureiseffective.3._______________(很遺憾)welostthematch.4.________________(這是事實(shí))hecheatedintheexam.5.____________________(據(jù)報(bào)道)20peoplewerekilledintheaccident.6._____________________(建議)weshouldeatmorevegetableanddomoreexercise.7.__________________(碰巧)Icameintotheofficeatthattime.8._______________________(我突然想起)

Iforgetto

sendtheletter.ItispossiblethatItisobviousthatItisapitythatItisafactthatItisreportedthatItissuggestedthatIthappenedthatItoccurredtomethat【即時(shí)演練】03主語從句中其他注意問題主語從句

主謂一致

問題1.Whetherthepatientwillbetaken______unknown.2.Whenandwherethepatientwillbetaken_____unknown.3.Whenthetaskcanbefinishedandwhetherhecanhavearest_____unknown.4.Whathewantsmost____stayingwithhisfamily.

Whattheyneed_______masks(口罩).單個(gè)從句做主語，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在主從中做賓語時(shí)，謂語的單復(fù)數(shù)取決它后面的_______。單數(shù)單數(shù)復(fù)數(shù)isisareis

are表語Summary主語從句that表是否：whether從句不完整從句完整默默守候的連詞默默守候的連接副詞表時(shí)間：when表地點(diǎn)：where表原因：why表方式：how樂于參與的連接代詞需要補(bǔ)充成分人：who,whom,whose事物：what哪一個(gè)：which需要補(bǔ)充成分+表無論…時(shí)whateverwhoeverwhicheverPractice.Translatethesentences.我沒想到的是，現(xiàn)在養(yǎng)老院是一床難求。(that)事實(shí)證明，保持快樂的心態(tài)會(huì)降低得心臟病的風(fēng)險(xiǎn)。（It）聽書是否會(huì)打消孩子自己去讀這本書的積極性還沒有定論。(discourage)

WhatIdidn’t

expect

is

that

it

is

very

hard

to

find

a

bed

in

the

nursing

house

fortheaged.Itisprovedthatkeepingahappymindreducestheriskofheartdiseases.Whetherlisteningtoabookwilldiscouragechildrenfromreadingitontheirownremainsaquestion.高考鏈接(2022高二下·和平期末)It'strue______innerbeautyisveryimportant,butexternalbeautyshouldn'tbecompletelyoverlooked.A．how B．why C．that D．what2.(2022高一下·靜安期中)__________morecountriescanusenaturalenergyinthefutureremainstobeseen.A．Whether B．This C．Who D．If3.(2022高一下·靜安期中)Oneofthemengavehisopinion_______thebooksaidwasright.A．that B．what C．which D．whether高考鏈接4.(2022高一下·西安期中)Itisnotaproblem_____wecanwinthebattle;it'sjustamatteroftime.A．where B．why C．when D．whether5.(2020·和平模擬)_________footballissuchasimplegametoplayisperhaps