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不定式由“to+动词原形”构成,其否定形式是“not/nevertodo”,不定式可以带宾语或状语构成不定式短语,没有人称和数的变化,但有时态和语态的变化。不定式可以作主语、宾语、状语、表语和定语，但不能单独作谓语。不定式的逻辑主语有时用“for+名词或代词宾格”构成。不定式壹.结构:todo(否定)not/nevertodo二.时态与语态主动语态被动语态一般式进行式完成式完成进行式不定式todotobedonetobedoingtohavedonetohavebeendonetohave...
Grammar不定式作状语1)不定式作目的状语：Hebrokeintothehousetostealsomething.Manydrugaddictsarenowintreatmentcenterstostoptakingdrugs.2)有时用inorderto或soasto,否定式inordernotto和sasnotto:Let’shurrysoastogotoschoolintime.Let’shurrysoasnottobelateforschool.Shestudiedveryhardinordertocatchupwithothers.Shestudiedveryhardinordernottofallbehind.3)不定式表示目的时,通常它的逻辑主语就是句子的主语,但如...
Unit1RevisetheInfinitiveGrammar前情回顾非谓语的三种形式可做的句子成分动名词doing分词doing/done不定式todo主，宾，表，定状，补，表，定主，宾，表，定，状，补DoyoubelieveIcanflylikeabird?HowcanyoubelieveIcanflylikeabird?•_______istobelieve.•It’simpossibleforhumans_________________now.ToseetoflylikeabirdMartysays2.Iusedtoclimbtrees,swimandplayfootball.3.ThenIstartedtogetweakerandweaker.1.Unfortun...
Ing表示抽象或者泛指的动作（但在实际应用中通常已经可以互换）1）ing词itis+nousing/nogood/useless/awasteoftime+doingsthThereisno+ing=itisimpossibletodosthEg.it’snousewaitinghere.Thereisnotellingwhyhedidso.(thereisnoknowing/thereisnopersuading=itisimpossibletopersuade⋯)Itisashametosaylikethat.二,作表语时的区别不定式强调一次具体动作Ing强调抽象行为三,作宾语不定式agreedecline拒绝refuseofferpromisech...
只能是doingsth1、enjoydoingsth享受做某事2、finishdoingssth结束做某事3、practicedoingsth练习做某事4、minddoingsth介意某事5、bebusydoingsth忙于做某事6、havefundoingsth很开心做某事7、haveproblemsdoingsth有问题做某事8、havedifficultiesdoingsth有困难做某事9、havetroubledoingsth有麻烦做某事10、spendsometimedoingsth花时间做某事11、preferdoingsthtodoingsth更喜欢做某事12、beusedtodoingsth习惯于做某事13...
Ing表示抽象或者泛指的动作（但在实际应用中常已经可以互换）1）ing词itis+nousing/nogood/useless/awasteoftimedoingsthThereisno+ing=itisimpossibletodosthEg.itsnousewaitinghere.Thereisnotellingwhyhedidso.(thereisnknowing/thereisnopersuading=itisimpossibletopersuade⋯)2Itisashametosaylikethat.二,作表语时的区别不定式强调一次具体动作Ing强调抽象行为三,作语不定式agreedecline拒refuseofferpromisechoosedecid...
动词后加todo和doing的记忆口诀一、只能用动名词作宾语[口诀]考虑建议盼原谅,承认推迟没得想。避免错过继续练,否定完成停欣赏。禁止想象才冒险,不禁介意弃逃亡。consider考虑suggest建议/advocate提倡主张lookforwardto盼望forgive原谅/pardon原谅acknowledge承认/admit承认postpone延迟延期/delay延迟/defer拖延recall回想/fancy幻想爱好avoid避免miss错过keep保持practise练习实践deny否认complete完成/finish完成cease停止/q...
科教兴国1.wanttodosth.想做某事5.plantodosth.计划做某事2.wouldliketodosth.想愿意做6.needtodosth.需要做某事某事7.decidetodosth.决定做某事3.hopetodosth.希望做某事4.wishtodosth.希望做某事8.agreetodosth..同意做某事二）必须跟v.-ing形式作宾语做宾语的情况：1.enjoydoingsth.喜欢做某事2.finishdoingsth.完成做某事3.practisedoingsth.练习做某4.keepdoingsth.一直做某事三）既可以跟动词不定式又可以跟v.-ing形式的...
