Unit2Grammarandusage2课件-高中英语牛津译林版必修第三册

ReviewTo-infinitives什么是“不定式”？不定式是动词的一种非限定形式,由“to+动词原形”构成，没有人称和数的变化，在句中不能独立作谓语。Thebridge____________(come)tousethisendofyearleadstoHuayangLake.谓语是在句子中自带时态和语态的动词。Allfunctionsofto-infinitives1.Subjects

1)Toseeistobelieve.2)Toimproveyouroralenglishisyourpresenttask.2.Objects

1)Theyagreedtohandinimprovedmodeltomorrow.2)Thecharityhopestohelpallthepeopleinneed.Allfunctionsofto-infinitives3.Attributives

1)Wehavemadeenvironmentalpoliciesforbusinesstoobserve.2)Ordinarypeoplehavealotofthingstocopewitheveryday.4.Objectcomplements

1)Thegovernmentencouragesustoprotecttheenvironment.2)Everybodywasaskedtoperfecthisorherwritingskills.Allfunctionsofto-infinitives5.Predicatives

1)Myjobtodayistotakecareofmylittlesister.2)Theirmethodseemedtobemorepractical.6.Adverbialsofpurpose

1)Thenasaclass,outallthepartstogethertomakeabooklet.

2)Somepeoplehuntanimalsforfashion:animalskinisusedtomakecoatsandbags.Allfunctionsofto-infinitives7.Adverbialsofresult

1)Iranallthewaytoschool,onlytobetoldthatitwasSunday.

2)Theytriedtheirbesttorescuethemissingpeople,onlytofind

theirdeadbodies.8.Adverbialsofreason

1)Iwasdelightedtoknowtheresultoftheinterview.

2)Thestudentswereexcitedtoknowthattheywouldhavetwodaysoff.动词不定式作定语的四种情况To-infinitivesasattributives1.当修饰的词是一些抽象名词，例如ability,ambition,attempt,chance,courage,desire,decision,effort,failure,moment,promise,right,time,wish…（一些表示企图、努力、愿望、打算、能力等意义的名词）2.当修饰的名词前有theonly,thenext,thebest,thefirst,thelast,

以及由序数词或形容词最高级修饰的名词常常用不定式作定语。动词不定式作定语的四种情况To-infinitivesasattributives3.当修饰的词为something,nothing,anything

等不定代词时。4.当定语表示未来的还没做的动作时。动词不定式作定语的三种关系To-infinitivesasattributives1.Wemustfindapersontodothework.2.Therearelotsofinterestingthingstosee.3.ThemedicalteamsgottheordertoleaveWuhanwhentheepidemicwascontained.主谓关系sbdo动宾关系dosth同位关系动词不定式作定语的位置与关系1.通常放在名词、代词或不定代词的后面作后置定语2.与所修饰的名词构成主谓关系、动宾关系、同位关系动词不定式作结果状语To-infinitivesasadverbialsofresult1.动词不定式表示结果时，其逻辑主语就是句子的主语。结果状语常常只限于learn,find,see,hear,tobetold,make,turnouttobe等具有界限含义的动词。

2.不定式常与only,enough或too连用，用于“too...to”，“enoughto...”，“onlytodo”句型中。表示出乎意料的结果To-infinitivesasattributivesTo-infinitivesasadverbialsofresultIwasstayinginAtlanta,andthatwasoneofthecities

tobehit.Thatmorning,IturnedontheTVforsomelocalnews,onlytohearthatahurricanewasonitsway.

Task2Readthepassageaboutaninterviewandcompletethetasks(P20)Findthesentenceswithto-infinitivesIlookedoutofthewindow,onlytoseehugetreeslyingacrossthestreetandwatereverywhere.Therewasnothingformetodo.Ihadenoughfoodandwatertolastawholeweek.Whentheto-infintiveisusedasanattributive,itisoftenput

(before/after)thenounorpronounitmodifies.Whentheto-infintiveisusedasanadverbialofresult,itcanrefertoan

__________(expected/unexpected)result.Inthiscase,weoftenuseonlybeforetheto-infinitive.afterunexpectedWorkingouttherulesFinishexercisesConP64Checkinga.objectb.objectcomplementc.attributived.adverbialofpurposee.adverbialofresult______1I’msorrythatIcannotcometoyourbirthdayparty tomorrowasIhaveanimportantmeetingtoattend.______2Shehurriedtothecinema,onlytofindallthetickets

hadbeensoldout.______3Iaskyoutocompletethetaskonyourown.______4Toreachthesummit,weneedalocalguide.______5Wemustlearntowalkbeforewecanrun.______6I’mafraidtheywillhaveadifficultdecisiontomake.______7Toavoidlosingagoodfriend,youneedtoapologize

assoonaspossible.______8Helefthishometown,nevertobeheardfromagain.______9Weagreedtochangeourplanatthemeeting.______10Sheinvitedmetowatchafilm.Checkinga.objectb.objectcomplementc.attributived.adverbialofpurposee.adverbialofresult______1I’msorrythatIcannotcometoyourbirthdayparty

tomorrowasihaveanimportantmeetingtoattend.______2Shehurriedtothecinema,onlytofindallthetickets

hadbeensoldout.______3Iaskyoutocompletethetaskonyourown.______4Toreachthesummit,weneedalocalguide.______5Wemustlearntowalkbeforewecanrun.cebdaCheckinga.objectb.objectcomplementc.attributived.adverbialofpurposee.adverbialofresult______6I’mafraidtheywillhaveadifficultdecisiontomake.______7Toavoidlosingagoodfriend,youneedtoapologizeassoonaspossible.______8Helefthishometown,nevertobeheardfromagain.______9Weagreedtochangeourplanatthemeeting.______10Sheinvitedmetowatchafilm.cd;aeab

Task3Readthepassageaboutaninterviewandcompletethetasks(P20)PleasecompletetheexercisesonPage21B1ecdbaB2tofindbooksabout