Unit2Grammarandusage2課件-高中英語牛津譯林版必修第三冊

ReviewTo-infinitives什么是“不定式”？不定式是動詞的一種非限定形式,由“to+動詞原形”構(gòu)成，沒有人稱和數(shù)的變化，在句中不能獨立作謂語。Thebridge____________(come)tousethisendofyearleadstoHuayangLake.謂語是在句子中自帶時態(tài)和語態(tài)的動詞。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.動詞不定式作定語的四種情況To-infinitivesasattributives1.當(dāng)修飾的詞是一些抽象名詞，例如ability,ambition,attempt,chance,courage,desire,decision,effort,failure,moment,promise,right,time,wish…（一些表示企圖、努力、愿望、打算、能力等意義的名詞）2.當(dāng)修飾的名詞前有theonly,thenext,thebest,thefirst,thelast,

以及由序數(shù)詞或形容詞最高級修飾的名詞常常用不定式作定語。動詞不定式作定語的四種情況To-infinitivesasattributives3.當(dāng)修飾的詞為something,nothing,anything

等不定代詞時。4.當(dāng)定語表示未來的還沒做的動作時。動詞不定式作定語的三種關(guān)系To-infinitivesasattributives1.Wemustfindapersontodothework.2.Therearelotsofinterestingthingstosee.3.ThemedicalteamsgottheordertoleaveWuhanwhentheepidemicwascontained.主謂關(guān)系sbdo動賓關(guān)系dosth同位關(guān)系動詞不定式作定語的位置與關(guān)系1.通常放在名詞、代詞或不定代詞的后面作后置定語2.與所修飾的名詞構(gòu)成主謂關(guān)系、動賓關(guān)系、同位關(guān)系動詞不定式作結(jié)果狀語To-infinitivesasadverbialsofresult1.動詞不定式表示結(jié)果時，其邏輯主語就是句子的主語。結(jié)果狀語常常只限于learn,find,see,hear,tobetold,make,turnouttobe等具有界限含義的動詞。

2.不定式常與only,enough或too連用，用于“too...to”，“enoughto...”，“onlytodo”句型中。表示出乎意料的結(jié)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