Unit 3第三课时 Discover useful structure课件 【知识建构+点播拓展】高中英语人教版（2019）选择性必修第四册

Unit3SeaExplorationLesson3Reviewusefulstructures高二—人教版—英语选择性必修四—第三单元RevisionWhatdidMarcoPolo’stalesinsprieEuropeanexplorerstodo?WhydidmerchantsfromChinaandmanyotherplacesmeetinCeylon?WhatistheaimoftheBeltandRoadInitiative？TheyinspiredEuropeanexplorerstosearchforsearoutes.Theymettonegotiatetradedeals.ToencouragecooperationandtradeacrossthehistoricSilkRoadareas,andstrengthenthebondsbetweenChinaandtherestoftheworld.RevisionWhatdidMarcoPolo’stalesinsprieEuropeanexplorerstodo?WhydidmerchantsfromChinaandmanyotherplacesmeetinCeylon?WhatistheaimoftheBeltandRoadInitiative？TheyinspiredEuropeanexplorerstosearchforsearoutes.Theymettonegotiatetradedeals.ToencouragecooperationandtradeacrossthehistoricSilkRoadareas,andstrengthenthebondsbetweenChinaandtherestoftheworld.Theuseofinfinitives(不定式)LearningobjectivesBytheendofthelesson,youwillbeableto…reviewtheformsandfunctionsofdifferenttypesofinfinitives;makesentenceswithinfinitives,-ingformand-edformcorrectly;useinfinitivesproperlyinwritingastory.Discoveringthefunctionsofinfinitives1Asthesubject

(S主语) 2Asthepredicative

(P表语) 3Astheobject(O宾语)4

Astheobjectcomplement

(OC宾补)

5Astheattributive

(Attr定语) 6Astheadverbial

(Ad状语)Canyoumarkthefunctionsofinfinitivesinthreesentences?2Discoveringthefunctionsofinfinitives1Asthesubject

(S主语) 2Asthepredicative

(P表语) 3Astheobject(O宾语)4

Astheobjectcomplement

(OC宾补)

5Astheattributive

(Attr定语) 6Astheadverbial

(Ad状语)Canyoumarkthefunctionsofinfinitivesinthreesentences?OC

Subject+Verb+Object+[ObjectComplement]Discoveringthefunctionsofinfinitives1Asthesubject

(S主语) 2Asthepredicative

(P表语) 3Astheobject(O宾语)4

Astheobjectcomplement

(OC宾补)

5Astheattributive

(Attr定语) 6Astheadverbial

(Ad状语)Canyoumarkthefunctionsofinfinitivesinthreesentences?OCAdSubject

+Verb+[

Adverbial]Discoveringthefunctionsofinfinitives1Asthesubject

(S主语) 2Asthepredicative

(P表语) 3Astheobject(O宾语)4

Astheobjectcomplement

(OC宾补)

5Astheattributive

(Attr定语) 6Astheadverbial

(Ad状语)Canyoumarkthefunctionsofinfinitivesinthreesentences?OCAdP

Subject

+Be+[

Predicative]Findothersentencescontaininginfinitivesinthereadingpassageandmarktheirfunctions.1Asthesubject

(S主语) 2Asthepredicative

(P表语) 3Astheobject(O宾语)4

Astheobjectcomplement

(OC宾补)

5Astheattributive

(Attr定语) 6Astheadverbial

(Ad状语)SOCAdAttr1Asthesubject

(S主语) 2Asthepredicative

(P表语) 3Astheobject(O宾语)4

Astheobjectcomplement

(OC宾补)

5Astheattributive

(Attr定语) 6Astheadverbial

(Ad状语)S1Asthesubject

(S主语) 2Asthepredicative

(P表语) 3Astheobject(O宾语)4

Astheobjectcomplement

(OC宾补)

5Astheattributive

(Attr定语) 6Astheadverbial

(Ad状语)OAttrOPAttrAttrAttrAdAttrAttrOC1Asthesubject

(S主语) 2Asthepredicative

(P表语) 3Astheobject(O宾语)4

Astheobjectcomplement

(OC宾补)

5Astheattributive

(Attr定语) 6Astheadverbial

(Ad状语)Jointhewordstomakesentencesusinginfinitives.

Thendecidethefunctionofeachinfinitive.EXAMPLEItisfun/visitanaquarium/insummer

→

Itisfuntovisitanaquariuminsummer.

(S)1He/encouragedme/participateinthesurfingcompetitionHeencouragedmetoparticipateinthesurfingcompetition.(OC)2Thestorm/seems/begettingcloserThestormseemstobegettingcloser.

(P)3Magellan/wasthefirstperson/sailaroundtheworldMagellanwasthefirstpersontosailaroundtheworld.(Attr)EXAMPLEItisfun/visitanaquarium/insummer

→

Itisfuntovisitanaquariuminsummer.

(S)4TheUNpeacekeepingforce/aims/maintainpeaceandpreventarmedconflictsTheUNpeacekeepingforceaimstomaintainpeaceandpreventarmedconflicts.

(O)5Thecrowd/stood/applaud/scientists/fortheirimportantoceanresearchworkThecrowdstoodtoapplaudscientistsfortheirimportantoceanresearchwork.

(Ad)6Ithaslongbeenhisdream/admit/PekingUniversityIthaslongbeenhisdreamtobeadmittedtoPekingUniversity.(S)Jointhewordstomakesentencesusinginfinitives.

Thendecidethefunctionofeachinfinitive.OtherformsofinfinitivesHeencouragedmetoparticipateinthesurfingcompetition.Thestormseemstobegettingcloser.

IthaslongbeenhisdreamtobeadmittedtoPekingUniversity.TypesofinfinitivesFormUseActivevoicePassivevoiceSimpleinfinitivetodotobedone在谓语动词所表示的动作之后或同时发生的动作Simplecontinuousinfinitivetobedoing/与谓语动词所表示的动作同时发生，表正在发生Perfectinfinitivetohavedonetohavebeendone在谓语动词所表示的动作之前发生的动作Thereweremanytalentedactorsouttherejustwaiting_______. A.todiscover B.tobediscovered C.tobediscovering D.tohavebeendiscoveredThoughheisdisappointed________inthejobinterview,hestillkeepshisconfidence.A.tofail B.tobefailedC.tobefailing D.tohavefailedPracticeChoosethecorrectformofinfinitives.FunctionsofdifferentverbformsS主语O宾语P表语Attr定语Ad状语OC宾补todo√√√√√√doing√√√√√√-ed√√√√Thebuilding___________(build)nowwillbearestaurant.Thebuilding___________(build)nextyearwillbearestaurant.Thebuilding___________(build)lastyearisarestaurant.Practicebeing

builttobebuiltbuiltFillintheblankwithproperformsofverbs.FormUseActivevoicePassivevoicedoingdoingbeingdone强调正在进行，表伴随todotodotobedone强调将来-ed/done表被动、完成DifferencesbetweeninfinitivesandotherverbformsTsinghuaUniversity,________in1911,ishometoagreatnumberofoutstandingfigures.

A.founded

B.beingfounded

C.tofound

D.tobefoundedItrainedheavilyinthesouth,________seriousfloodinginseveralprovinces.

A.caused

B.causing

C.tocause

D.tobecausedReadthebeginningofTheLittleMermaidandusetheproperformsoftheverbsinbracketstofillintheblanks.Faroutintheocean,wherethewaterisasclearasglass,livestheSeaKing.Theoceanistoodeep___________(measure).Wemayimaginethereisnothingexceptyellowsandunderthesea,butactuallyitisnotrare___________(see)themostuniqueflowersandplants___________(dance)inthefast-movingwater.Inthedeepestspotofallstands

toseetomeasuredancingtheSeaKing’scastle,whichhaswallsofcoralandaroof_______(form)ofbeautifulshells.Themotheroftheking,awisewomanwhoisproud_____________(be)bornintotheroyalfamily,takescareofhissixdaughters.Amongthesixsea-princesses,theyoungestistheprettiest.tobeformed

Althoughshehasdelicateskinlikearose-leafandeyesasblueasthedeepestsea,shehasnofeetbutafishtailjustlikehersisters.Themostcommonwayfortheprincesses_______(play)alldaylongis__________________(swim)inthehallsofthecastleoramongtheflowersgrowingoutofthewalls,feedingandtouchingthefish___________(swim)uptotheirhandsthroughthewindows.Theyseem___________(notworry)aboutanything,exceptfortheyoungest,who...toplaytoswimswimmingtonotworryReadthebeginningofTheLittleMermaidandusetheproperformsoftheverbsinbracketstofillintheblanks.Faroutintheocean,wherethewaterisasclearasglass,livestheSeaKing.Theoceanistoodeep___________(measure).Wemayimaginethereisnothingexceptyellowsandunderthesea,butactuallyitisnotrare___________(see)themostuniqueflowersandplants___________(dance)inthefast-movingwater.Inthedeepestspotofallstands

toseetomeasuredancingtheSeaKing’scastle,whichhaswallsofcoralandaroof_______(form)ofbeautifulshells.Themotheroftheking,awisewomanwhoisproud_____________(be)bornintotheroyalfamily,takescareofhissixdaughters.Amongthesixsea-princesses,theyoungestistheprettiest.tobeformedtohavebeen

Althoughshehasdelicateskinlikearose-leafandeyesasblueasthedeepestsea,shehasnofeetbutafishtailjustlikehersisters.Themostcommonwayfortheprincesses_______(play)alldaylongis__________________(swim)inthehallsofthecastleoramongtheflowersgrowingoutofthewalls,feedingandtouchingthefish___________(swim)uptotheirhandsthroughthewindows.Theyseem___________(notworry)aboutanything,exceptfortheyoungest,who...toplaytoswimswimmingtonotworrynottoworryswimming/toswimReadagainandanswerthefollowingquestions.What’stheSeaKing’scastlelike?Whatisthemostcommonwayfortheprincesstoplay?What’sthelifeunderwaterlike?Readagainandanswerthefollowingquestions.What’stheSeaKing’scastlelike?Whatisthemostcommonwayfortheprincesstoplay?What’sthelifeunderwaterlike?Ithaswallsofcoralandaroofformedofbeautifulshells.Peaceful,joyfulandcarefree.Toswiminthehallsofthecastleoramongtheflowersgrowingoutofthewalls.Whatdoyouthinkhappensnext?Whatdoesthelittlemermaidwant?Willshebethefirstprincesstodosomethingunusual?Doesthelittlemermaidrealizeherdream?Whyorwhynot?Youcanbecreativeincompletingthelittlemermaid’sstory.Also,useinfinitivesifneeded.ChecklistUsethechecklisttoevaluateyourstory.ContentIsthestorycreative?StructureDoesthestoryhaveaclimaxandanending?LanguageDoestheauthoruseinfinitivescorrectly?Whatdoyouthinkhappensnext?...Theyseemnottoworryaboutanything,exceptfortheyoungest,whowantstoseewhatlifeislikeonland.Sheswimsallthewaytothesurfaceandseesalargeship.ItSharingtravelstowardheratgreatspeedandterrifiesher.Sheswimsbelowthesurfaceofthewaterandjustmanagestoswimawayfromthebigship.Shenowrealisesthatitisascaryworldoutsideoftheocean,andshedecidestostaywithherfamilyandfriendsunderthesea.Whatdoyouthinkhappensnext?...Theyseemnottoworryaboutanything,exceptfortheyoungest,whowantstoseewhatlifeislikeonland.Sheswimsallthewaytothesurfaceandseesalargeship.ItSharingtravelstowardheratgreatspeedandterrifiesher.Sheswimsbelowthesurfaceofthewaterandjustmanagestoswimawayfromthebigship.Shenowrealisesthatitisascaryworldoutsideoftheocean,andshedecidestostaywithherfamilyandfriendsunderthesea.Usethechecklisttoevaluatethestory.ContentIsthestorycreative?StructureDoesthestoryhaveaclimaxandanending?LanguageDoestheauthoruseinfinitivescorrectly?...Theyseemnottoworryaboutanything,exceptfortheyoungest,whohappenstonoticeagiantironthingnearthecastle.Shewantstofindthethingagainandfindoutwhatitis.Aftersomesearching,sheseesthegiantthingagain,andsomeonetoswimoutofit,too!Tofindthetruth,sheswimstohimasfastasshecan.Themanexplainstoherthatitisasubmersible,andtheyareheretofindsomeunderwaterresources.Tohersurprise,themanevenaskshertotakearideonthesubmersible.Thoughabitafraid,shestillwantstobethefirstprincesstoseetheoutsideworld.Thelittlemermaiddecidestoenjoyadayontheland,andafteraday,shedecidestostayonthelandforever.Whatdoyouthinkhappensnext?Sharing...Theyseemnottoworryaboutanything,exceptfortheyoungest,whohappen