Unit 4 Discovering Useful Structures 讲练课件高中英语人教版（2019）必修第三册

Infinitives(todo…)astheattributeandtheadverbialEnjoyavideofrom

theJourneytotheWest

Tofindoutwhat’sbehindthewaterfall

wasallmonkeys’idea.OnlyWuKongdecided

totakearisk,sohetookadeepbreathandleapedintothewaterfall.WuKongwasseentoleapintothewaterfallwithouthesitation.BecauseWuKongwasthefirstonetogointothewaterfall,hewaselectedtobetheKing.However,hisdreamistolearnsomethingfromsages.Tofindasage,hebuiltaraftandtookajourney.subject主语object宾语objectcomplement宾语补足语attribute定语predicative表语adverbial状语ThefunctionsoftheInfinitivesWhatis“todo”astheattribute?WuKongwastheonlyonewhostoodout.WuKongwastheonlyonetostandout.WuKongwasabraveandsmartmonkey.Structure:名词/代词+todoMonkeysaid,”Ihavesomething

tosay.Iwanttobeyourstudent,Master.”WuKongwasthefirststudenttocomeandthelastonetoleave.WuKongwastheonly

studenttobeknockedbyMaster.当修辞词为something,anything,nothing等不定代词时，用todo做后置定语。当被修辞词前有序数词或者形容词最高级时，用todo做后置定语。当被修辞词前有theonly,thenext,thevery,thelast时，用todo做后置定语。WuKongrealizedhisdreamtoliveforever.MasteraskedWuKongtogotohisroomthiseveningandsaid“Themattertobediscussedthisnightisveryimportant.”当被修辞词是一些抽象名词如：ability,ambition,attempt,chance,courage,desire,decision,effort,promise,right,wish时，用todo做后置定语。当表示尚未发生的动作是，通常用todo做后置定语。Infinitivesastheattribute口诀：代高序四姐妹（thevery,theonly,thenext,thelast）抽象名词(ability,ambition,attempt,chance,courage,desire,decision,effort,promise,right(权力),wish)未完成Exercise：1.Womenandchildrenwerethefirst________(go)intothelifeboats. 2.Theability___________(express)anideaisasimportantastheideaitself.3.Theastronauthassomethingimportant____________(say).4.Theairport_______________(complete)nextyearwillhelppromotetourisminthisarea．5.Thebestway__________(improve)yourEnglishistojoinanEnglishclub．6.Carolwashappythatshehadthechance___________

(experience)thelifeinthecity．7.He

would

be

theonly

one

_________(have)no

costumeashe

stood

in

front

ofthe

room.togotoexpresstosaytobecompletedtoexperiencetoimprovetohaveWhatistodoastheadverbial?WuKongdecidedtostudywithasagesothathecouldrealizehisdream.Torealizehisdream,WuKong

decidedtostudywithasage.Structure:todosth,句子.

句子todosth.ThequeenwastooangrytocontainhisrageandthenaskedpeopletoarrestWuKong.ThemaidswereshockedtolearnthatWuKongateeverysinglepeach.sbbeadj（情感类happy/sad/excited…）todo

结构中，todo做原因状语too….to…;enoughto…;so/such…asto…;结构中，todo做结果状语WuKongtriedhisutmosttodefend,onlytobecaughtbyErlang.ToarrestWuKong,

EmperorappointedErlangtofightwith

WuKong.todosth置于句首或句末做目的状语。onlytodosth表意料之外的结果的发生。Infinitivesastheadverbial目的状语：结果状语：原因状语：todosthonlytodosth（出人意料的结果）too….to…;enoughto…;so/such…asto…sbbeadj（情感类）todoExercise

Hewentbackhome,only___________(find)hishousehadbeenbrokeninto.___________(pass)thecollegeentranceexam,wemustworkhard.TheCalifornianshiparrivedtoolate_____________（save）morepeople．Theboyisoldenough_____________（take）careof

himself．Sheissoproudas_____________（look）downupon

others．I’mdisappointed____________（hear）thatyoulackthepatience.tofindTopasstosavetotaketolooktohear难点一:todosth&doing&done作状语的区别_____________（give）moretime,he’llfinish

thetaskontime.___________（give）himmoretime,Ifounditpossibleforhimtofinishthetaskontime.

_____________（give）himmoretime,Ihadtoapplytothebossforit.GivenGivingTogive当非谓语与主语是主动关系时用doing当非谓语与主语是被动关系时用done当非谓语是主句的谓语动词动作的目的时用todo

难点二:todosth&doing&done作定语的区别Today,therearemanypeople________(visit)theparkeveryday.Tomorrow,therearemanypeople________(visit)thepark.Thereweremanyactivities_________(arrange)byStudentUnion.tovisitvisitingarranged当非谓语与被修饰词是主动关系时用doing当非谓语与被修饰词是被动关系时用done当非谓语表示尚未发生的事情时用todo1.Thefirstpill__________(design)totreatCovid-19hasbeenapprovedbytheUKmedicinedepartment.（2021-2022第一学期高一）2.Duringthespringfestival,peoplewillwanderalongthestreets_________(decorate)withredlanterns.(2021-2022第二学期高一)3._________(form)bysometeenagers,thebandisquitepopularamongstudents

.（2022-2023第一学期高一）4.ChinalaunchedShenzhou-14in2022,__________(send)3astronautstospace.（2022-2023第一学期高二）5.Wearequitesatisfiedwiththeactivities_________(arrange)bythetravelagency.

（2019-2020第一学期高二）6.Heliftedarockwithallhisstrength,only_________(drop)itonhisownfeet.

（2019-2020第一学期高二）7.Dongguan,acity________(locate)inthegreaterBayArea,isarisingstarinhi-techindustry.

（2021-2022第一学期高二）designeddecoratedFormedsendingarrangedtodroplocated1.In2012,LiuYangbecamechina’sfirstfemaleastronautwhotravelledintospace.(用不定式改写)In2012,LiuYangbecamechina’sfirstfemaleastronaut___________astronautspace.(2021-2022第二学期高一)2.Theprojectwhichwillbeconductednextyearismeetingwithargument.(用不定式改写)Theproject__________________nextyearismeetingwithargument.(2020-2021第二学期高一)3.FreddecidedtosettleinBeijingbecausehewasstronglyattractedtoitsculture.(用分词改写)Strongly_______________itsculture,FreddecidedtosettleinBeijing.（2022-2023第一学期高一）totravelintotobeconductedattractedto

1.Pickingupher“LifetimeAchievement”award,proudIrenedeclaredshehadnoplans______(retire)fromher36-year-oldbusiness.(2019·全国II卷)2.Ericwokeupalittlelaterwhenheheardchildrenplayingoutside.Hepushedachairontothebalcony,andclimbedup________(see)them.(2022新高考全国Ⅱ卷)3.Avisually-challengedmanfromBeijingrecentlyhiked(徒步)40daystoXi’an,asafirststep______________(journey)theBeltandRoadroute(一带一路路线)byfoot.(2022全国甲卷)4.__________(cover)anareaaboutthreetimesthesizeofYellowstoneNationalPark,theGPNP(大熊猫国家公园)willbeoneofthefirstnationalparksinthecount