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Unit3SeaExplorationLearningAboutLanguagePeriod2人教版高中英语选择性必修第四册PracticeFindallthesentencescontaininginfinitivesinthereadingpassage.Thenmarktheirfunctions.1Asthesubject(S) 主语

2Asthepredicative(P) 表语3Astheobject(O) 宾语

4Astheobjectcomplement(OC) 宾补5Astheattributive(Attr) 定语

6Astheadverbial(Ad) 状语PracticeSuggestedAnswers:Tocompletethegreatmapoftheworldwasastrongpassionfor...MarcoPolo’stalesinspiredEuropeanexplorerstosearchforsearoutesfromwesttoeast.Here,merchantsfromChinaandmanyotherplacesmettonegotiatetradedeals...Thesefleetswereasighttobeholdandwereinaleagueoftheirownatthattime.(S)(OC)(Ad)(Attr)PracticeToreachoutacrossthesearemainsastrongdesiretoday.

Theaimofthisinitiativeistoencouragecooperationand...

Tradinghasgrowngreatly...,andwillcontinuetodosoinyearstocome....whichwillhelptogreatlydevelopthewholeareaforthebenefitoffuturetradeandculturalexchange....therearestillmanyotherplaceslefttoexplore.(P)(Attr)(O)(O;Attr)(S)Practice...ChinahasjoinedothernationsonseveralexpeditionstoexploretheArctic....thereisanurgentneedtostudytheArcticinordertounderstandclimatechangeanditseffects....theneedtotradeandthedesiretoenhancerelationshipswilldriveChinatoreachoutacrosstheseafarintothefuture.(Attr;Ad)(Attr)(Attr;Attr;OC)Grammar动词不定式主动被动用法一般式todotobedone表示在谓语动词所表示的动作之后或同时发生的动作完成式tohavedonetohavebeendone表示在谓语动词所表示的动作之前发生的动作进行式tobedoing/表示正在进行的动作,与谓语动词所表示的动作同时发生完成进行式tohavebeendoing/表示在谓语动词所表示的动作之前一直进行的动作TheformationandformoftheinfinitiveGrammar不定式是非谓语动词的一种,在句中可以作除谓语以外的其他成分,如主语、宾语、表语、宾补、定语、状语等。e.g.Tosayisonething;todoisanother.

Hewantstoknowhismother’ssecret.

Mydreamistowriteabookaboutmylife.

Theprofessoraskedherassistanttomakeadetailedplan.

ThebestplacetovisitinMayismyhometown.

Ireturnedhomeonlytofindshehadleft.TheuseoftheinfinitiveGrammar不定式作主语和宾语常跟不定式作宾语的动词:agree,aim,arrange,choose,decide,demand,desire,determine,expect,fail,intend,learn,plan,manage,offer,prepare,pretend,promise,refuse,threaten,wish当主语较长、谓语较短时,常用it作形式主语,而将不定式放到谓语的后面。

e.g.It

waswiseofyoutorefusehisinvitation.Grammar有些动词既可跟不定式,又可跟v.-ing形式作宾语,但意义有所区别。这类动词有remember,forget,regret,try,mean等。

remember/forget/regrettodo

remember/forget/regretdoing

trytodotrydoingmeantodomeandoinge.g.I’msorrytohavedonethat.Ididn’tmeantobesorude.

Thatdoesn’tmeanreadingittooslowly.记得/忘记/遗憾要做某事记得/忘记/懊悔做过某事设法做某事试着做某事打算、意欲做某事意味着……GrammarDifferentmeaningsandusagesneed/want(想要)todosth.need/want(需要)/require(需要)+doing=need/want(需要)/require(需要)+tobedone

(v.-ing主动形式表被动意义)这三个词need,want,require既可跟不定式,又可跟v.-ing形式作宾语,但意义和用法不同。e.g.Theflowerswant/need/requirewateringonceaweek.

Theflowerswant/needtobewateredonceaweek.Grammar被only,last,next以及序数词或形容词最高级修饰的名词常用不定式作定语。

e.g.Ritawastheonlypersontocomplain.

HewasthefirstmantoflyacrosstheAtlantic.

Tomisthebestmantodothejob.有些名词后面常接不定式作定语,如ability,chance,desire,decision,effort,intention,need,opportunity,plan,promise,pressure,right,time,way等。

e.g.Aftermonthsofunemployment,allheaskedforwasachancetoearnhisbread.不定式作定语Grammar不定式作状语不定式作状语,常表示目的、原因、结果等。e.g.Theyweregladtoseetheirsontakengoodcareofinthekindergarten.

Tocatchthebus,Igotupatsixthismorning.Ijumpedwithjoytohearit.不定式作结果状语时,常用于“only+不定式”结构,表示未曾预料到的或令人不快的结果。

e.g.Afriendofminecametoseemetonight.Alanliftedarockonlytodropitonhisownfeet.Grammar不定式作补语advise,allow,ask,beg,cause,encourage,expect,forbid,force,get,intend,invite,like,love,order,persuade,prefer,remind,require,teach,tell,want,warn,wish,waitfor,callon,dependon跟不定式作补语的动词及动词词组:e.g.Iwasinterestedinastronomyandheaskedmetogiveapresentationto

theclass.

We’retryingto

persuade

manufacturerstosellthemhere.Practice1.He/encouragedme/participateinthesurfingcompetition2.Thestorm/seems/begettingcloser3.Magellan/wasthefirstperson/sailaroundtheworldHeencouragedmetoparticipateinthesurfingcompetition.(OC)Thestormseemstobegettingcloser.(P)Magellanwasthefirstpersontosailaroundtheworld.(Attr)Jointhewordstomakesentencesusinginfinitives.ThendecidethefunctionofeachinfinitivePractice4.TheUNpeacekeepingforce/aims/maintainpeaceandpreventarmedconflicts5.Thecrowd/stood/applaud/scientists/fortheirimportantoceanresearchworkTheUNpeacekeepingforceaimstomaintainpeaceandpreventarmedconflicts.(O)Thecrowdstoodtoapplaudscientistsfortheirimportantoceanresearchwork.(Ad)Practice6.Itisagoodidea/tax/plasticbottles/sothatpeopleusethemless7.TheJiaolongmannedsubmersible/issaid/beable/reach7kmunderwater8.Itremains/beseen/whetherornothiscapsulecanworkItisagoodideatotaxplasticbottlessothatpeopleusethemless.

(S)TheJiaolongmannedsubmersibleissaidtobeabletoreach7kmunderwater.(O;O)Itremainstobeseenwhetherornothiscapsulecanwork.(O)PracticeReadthebeginningofTheLittleMermaidandusetheproperformsoftheverbsinbracketstofillintheblanks.Faroutintheocean,wherethewaterisasclearasglass,livestheSeaKing.Theoceanistoodeep___________(measure).Wemayimaginethereisnothingexceptyellowsandunderthesea,butactuallyitisnotrare______(see)themostuniqueflowersandplants_________(dance)inthefast-movingwater.

tomeasure

tosee

dancingPracticeInthedeepestspotofallstandstheSeaKing’scastle,whichhaswallsofcoralandaroof_________(form)ofbeautifulshells.

Themotheroftheking,awisewomanwhoisproud___________

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