动词不定式作状语PPT课件

-,1,动词不定式作状语,动词不定式在句中作状语,主要用来修饰动词和形容词,也可用来修饰副词。在句中,不定式可作目的状语、结果状语、原因状语、条件状语等。本单元主要讲解不定式用作目的状语和结果状语的情况。,-,2,动词不定式作目的状语,不定式作目的状语,意为“为了;以便于”,常用todo,inordertodo,soastodo,so/such.astodo等结构。如:Theteacherexplainedthesentenceclearlytobeunderstood.Hepromisedtomakealleffortssoastohelpus.,-,3,注意:不定式作目的状语时,其动作通常迟于谓语动词的动作。如:Isaidthattoencouragehim.2.作目的状语的不定式之前,常常加上inorder或soas,以突出或强调目的的含义。如:Iamworkinghardinordertogetabetterresult.,-,4,3.如用于表示否定,inorder或soas不能省略,用inordernottodo或soasnottodo形式。如:Iwalkedquietlysoasnottodisturbthebaby.,-,5,4.不定式作目的状语可转换为sothat/inorderthat或so.that.引导的目的状语从句。如:Heworkedveryhardtopasstheexam.Heworkedsohardthathecouldpasstheexam.Heworkedhardsothat/inorderthathecouldpasstheexam.,-,6,动词不定式作结果状语,不定式作结果状语时,一般出现在被修饰动词之前,常用于以下结构:1.too.to.意为太以至不。如:Theboxistooheavyformetocarry.,-,7,2.“not+形容词/副词+enoughtodo”意为不够而不能。如:Wearenotoldenoughtovoteandtobevoted.3.onlytodo表示意料之外的事情发生。如:Hewentbackhomehappilyonlytofindhishousehadbeenbrokeninto.,-,8,4.so/such.asto意为“如此以至于”。如:Sheissoproudastolookdownuponothers.,-,9,注意:too.to.中too后跟的是pleased,glad,anxious,willing,ready等形容词时,不表示否定的概念,而是意为“很、非常”。如:Themotherwastooanxioustoseeherson.Thegirlwastooreadytocry.,-,10,Completethesesentences,usinginordertoorsoasto.,1.Hebrokeintothehouse_.2.Alotofpeoplevisitthecentre_.3.Drugusershavetostealthings_.4.Thegovernmentisstartinganadvertisingcampaign_.,inorderto/soastosavetheoldman,inorderto/soastoseethatfamousstatue,inorderto/soastopayfordrugs,inorderto/soastotellpeoplenottotakedrugs.,-,11,Completethesesentenceswithsoas(not)toorinorder(not)to.,Shestoppedsmoking_befit.Hereadthearticleaboutcocaine_learnabouttheproblem.Thegovernmentputupthepriceofcigarettes_stoppeoplebuyingthem.,inorderto/soasto,inorderto/soasto,inorderto/soasto,-,12,4.Thepolicewenttothehouse_arrestthedrugdealer.5.Shedoesntgooutwithpeoplewhosmoke_startsmokingagain.,inorderto/soasto,inordernotto/soasnotto,-,13,Completethesesentenceswithsoorsuch(a).,Thedrugwas_dangerousthat_.Cocaineis_expensivethat_.Theywere_addictivedrugsthat_.,so,hebecameveryill,so,addictsstealtogetmoneytobuyit,such,onecouldntstopusingthemoncehe/shestarted,-,14,4.Adamwas_unhappythat_.5.Thedruguserwasshouting_loudlythatthepolicearrestedhim.6.Drugdealersare_dangerouspersonsthatpeopleareafraidofthem.,so,hewenttoseeadoctor/herefusedtohavelunch,so,such,-,15,Canyoujointhesetwosentencestogether?,Itwasarainymorning.Icouldntdomorningexercise.,ItwassucharainymorningthatsucharainymorningthatIcouldntdomorningexercise.,-,16,Heisacleverboy.Helearnttoplaythepianoattheageoffive.,Heissuchacleverboythathelearnttoplaythepianoattheageoffive.,-,17,Itwasstormylastnight.Themeetingwascanceled.Thecostoftreat