2023学年完整版动词不定式

冀教版九年级(下)Unit1Infinitive动词不定式的形式

FormsofInfinitive

todonottodotobedonetohavedone

动词不定式的作用

FunctionsofInfinitive

主语(subject)

宾语(object)

表语(predicative)

定语(attribute)

状语(adverbial)主语(subject)Itiskindofyoutohelpme.（形容词修饰人，用of）ItisimportantforyoutostudyEnglish.（形容词修饰动词不定式，用for）宾语(object)

IfounditimportanttostudyEnglish.（形式宾语）

定语(attribute)sth.toeat(eatsth.)aroomtolivein

(liveinaroom)状语(adverbial)

I’mpleasedtomeetyou.（原因状语)inorderto=soasto=to（目的状语）

Iwenttothestationonlytofindthetrainhadgone.（结果状语）表语(predicative)在系动词后面：seem,be,become,look,sound,taste,smell,feelOneday,yourdoctortellsyouthatyouhaveanincurablediseaseandmaynothavemorethantwelvemonthstolive.

attributeTheredidnotseemmuchpointinworkingonmyPhD---Ididnotexpecttosurvivethatlong.objectButinordertogetmarried,Ineededajob,andinordertogetajob,IneededaPhD.adverbialHecontinuedhisexplorationoftheuniverseandtraveledaroundtheworldtogivelectures.adverbialSincethen,Hawkinghascontinuedtoseekanswertoquestionsaboutthenatureoftheuniverse.objectReaderswerepleasedandsurprisedtofindthatascientistcouldwriteabouthisworkinawaythatordinarypeoplecouldunderstand.adverbialInthebook,Hawkingexplainsbothwhatitmeanstobeascientistandhowscienceworks.subjectScientistslookattheworldandtrytodescribeandexplainwhattheysee.objectToexplainwhattheyhaveseen,theybuildatheoryaboutthewayinwhichthingshappenandthecausesandeffects.adverbialButif,likeHawking,theyarestudyingsomethingthatistoolargeortoodifficulttoobservedirectly,theywilluseamodeltotestthetheory.adverbialPeoplewholistentoHawking’slecturessometimesfinditdifficulttounderstandhim,becausehisthoughtsandideasoftenseemaslargeastheuniverseheistryingtodescribe.

object带“to”的短语不一定都是动词不定式