Unit 5 Working the land 主語從句課件 【知識建構+高效助教】高中英語人教版（2019）選擇性必修第一冊

Discoveringusefulstructuresunit5recognizeandsummarizethefunctionandtherulesofthesubject-clause.summarizethesyntacticfunctionofthesubjectclauseconnectiveandtheusageofitastheformalsubject.beabletousethesubjectclausecorrectlyinwrittenandoralexpression.Learning

objectivesBytheendofthisclass,youwillbeableto:DiscoveringtherulesPart1WhatYuanLongpingreallycaredabout

wasnotmoneyorcelebrity.Translatethesentence.袁隆平真正關心的不是金錢或名人。ThatYuanLongpinghadrealizedhisdreamofseawaterricesurprisedthewholeworld.Translatethesentence.袁隆平實現(xiàn)了他“海水大米”的夢想震驚了全世界。Whatconcernedhimmostwasthatfamersoftenhadpoorharvestsandsometimesevenhadaseriousshortageoffoodtoeat.Translatethesentence.最讓他擔心的是農(nóng)民們常常收成不好，有時甚至嚴重缺乏食物。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非常有爭議的問題。Howthiscouldbedonewaschallengingquestionatthetime.Translatethesentence.如何做到這一點在當時是一個具有挑戰(zhàn)性的問題。Itisestimatedthatabout60percentofdomesticriceconsumptioninChinaiscomprisedofcropsgeneratedfromYuan’shybridstrains.Translatethesentence.據(jù)估計，中國國內(nèi)約60%的大米消費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引導主語從句，只起引導作用，在主語從句中不充當任何成分。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。【即時演練】Itdoesn’tmatter_________hewillcomeornot.________we’llgocampingtomorrow dependsontheweather.Itwasdoubtful___________TomreallysawSharon.________TomreallysawSharonwasdoubtful.補全句子：_______________________madeusveryhappy.她能來幫助我們使我們很高興。_________________________doesn’tmattertoomuch.她來不來都沒關系。whether/ifwhetherwhether/ifWhetherThatshecouldcometohelpusWhethersheiscomingornot在句中不僅起連接詞的作用，并充當句中的主語、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？引導名詞性從句時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作時間狀語why作原因狀語how作方式狀語Whowhether/if

Whenthat【用適當?shù)倪B接詞填空。】

(1)_____willbesenttocarryoutthetaskhasn’tbeensettled.(2)Itdoesn’tmatter__________itturnsouttobeagoodideaorabadidea.(3)_____Johnwillarriveisunknown.(4)It’spossible______hehasn’treceivedtheletter.02主語從句中it作形式主語的結構為了避免主語冗長，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，從句應該使用虛擬語氣。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，從句應該使用虛擬語氣。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…句型四不及物動詞4.It+不及物動詞+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…句型五及物動詞5.It+及物動詞+賓語+主語從句Itshocksmethathefailedinthisexam.他沒通過考試，震驚到我了?！炯磿r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)hecheatedintheexam.5.____________________(據(jù)報道)20peoplewerekilledintheaccident.6._____________________(建議)weshouldeatmorevegetableanddomoreexercise.7.__________________(碰巧)Icameintotheofficeatthattime.8._______________________(我突然想起)

Iforgetto

sendtheletter.ItispossiblethatItisobviousthatItisapitythatItisafactthatItisreportedthatItissuggestedthatIthappenedthatItoccurredtomethat【即時演練】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).單個從句做主語，大多數(shù)使用_______(單數(shù)？復數(shù)？)由兩個連接詞引導同一個主從，謂動使用_______(單數(shù)？復數(shù)？)主語為and連接的兩個主從時，謂動使用________(單數(shù)？復數(shù)？)what在主從中做賓語時，謂語的單復數(shù)取決它后面的_______。單數(shù)單數(shù)復數(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間：when表地點：where表原因：why表方式：how樂于參與的連接代詞需要補充成分人：who,whom,whose事物：what哪一個：which需要補充成分+表無論…時whateverwhoeverwhicheverPractice.Translatethesentences.我沒想到的是，現(xiàn)在養(yǎng)老院是一床難求。(that)事實證明，保持快樂的心態(tài)會降低得心臟病的風險。（It）聽書是否會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