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Theusagesofthe-ingform感受新知•Findsentencesinthisreadingpassagecontainingthe-ingform.Readthesesentencesandanalyzethem.1.Findingwaystogrowmorericehasbeenhislifegoal.2.Hesawthegreatneedforincreasingthericeoutput.3.YuanLongpingsearchedforawaytoincreasericeharvestswithoutexpandingtheareaofthefields.the-ingformassubjectthe-ingformasobjectthe-ingformasobject4.Hedoesn’tcareaboutbeingfamous.5.Spendingmoneyonhimselforleadingacomfortablelifealsomeansverylittletohim.6.Justdreamingforthings,however,costnothing.7.Heawokefromhisdreamwiththehopeofproducingakindofricethatcouldfeedmorepeople.the-ingformasobjectthe-ingformassubjectthe-ingformassubjectthe-ingformasobjectThe-ingformastheSubjectandObject1．作主语（1）动词-ing形式直接置于句首主语的位置上。捉弄别人是我们万万不能做的.___________________________issomethingweshouldneverdo．学习新单词对我来说非常重要。_______________________isveryimportantforme．PlayingtricksonothersLearningnewwords（2）用形式主语it，把真正的主语动词-ing形式移置句尾。但这种句子形式有一定的限制，作表语的只能是某些形容词或少数名词，如useful,useless,good,fun,nouse,worth等。和他争辩是没有什么用的。____isuseless_________________________．跟你在一起工作是令人愉快的事。____ispleasant___________________．IttryingtoarguewithhimItworkingwithyou•归纳：常用动词-ing形式作主语的句型有：•It+be+awasteoftimedoing…•做……是浪费时间的。•Itis/wasworth/worthwhiledoing…•做……是值得的。•Thereisnosenseindoing…•做……没有道理。•Thereis/wasnopointdoing…•干……无意义。2、作宾语动词-ing形式作宾语有两种情况：一是有些动词只能后接动词-ing形式作宾语；二是有些动词后既可接动词-ing形式也可接不定式形式作宾语。(1)只能后接动词-ing形式作宾语的动词，常见的有avoid，consider，enjoy，keep，finish，suggest，dislike，risk,delay，escape，cannothelp，imagine，mind，miss，practice，cannotstand,putoff,giveup等。你是否考虑过找一位挚友?Haveyou_____________________onespecialfriend?晚饭后你想和我一起散步吗?Doyou____________________withmeaftersupper?consideredlookingforfeellikehavingawalk(2)既可接动词-ing形式又可接不定式形式作宾语的动词，常见的有：begin，start，continue，like，love，prefer，try，mean，forget，remember，hate等。①在动词forget，remember，regret之后，用动词-ing形式与不定式形式意义不同。动词-ing形式表示动作先于谓语发生，不定式形式表示后于谓语动作。•我记得我已把信寄了。•Iremember________________________．•我会记着去寄信的。•I’llremember______________________．•我真后悔没赶上那次报告会。•Iregret___________________________．•我遗憾地告诉你，我不能接受你的建议。•Iregret_______Ican’ttakeyouradvice．postingthelettertopostthelettermissingthereporttosay②在try，mean之后，意义各不相同，如trytodo(设法)，trydoing(试着)，meantodo(打算，有意要做)，meandoing(意思是，意味着)。•我并不想让你生气。•Ididn’tmean__________________．•你的计划意味着要花费几个小时。•Yourplanwouldmean_______________．tomakeyouangryspendinghours③goondoing和goontodo•goondoing继续做一直在做的事；goontodo接着做另外一件事。•请接着做这同一个练习。•Pleasegoon______thesameexercise．•请做另外一个练习。•Pleasegoon______theotherexercise．doingtodo3．作介词宾语•动词-ing形式可与介词一起构成介词短语（1）介词+动词-ing形式，我向你道歉，刚才对你那样生气。Iapologize___________________withyou.（2）动词+介词+动词-ing形式，我坚持为这次出行带足需要的食物。Iinsist_____________________forthisexpedition．forbeingsoangryontakingproperfood下列短语中的to都是介词，所以后面跟名词或动词-ing形式：devoteto，objectto，payattentionto，getdownto，leadto,lookforwardto，stickto，beusedto等。巩固运用Ⅰ.翻译句子1.与他争论就是浪费时间。________________________________2.做这件傻事毫无意义。________________________________3.他们脸上没有笑容，相反都做了鬼脸。__________________________________Itisawasteoftimearguingwithhim.Thereisnopointdoingsuchasillything.Insteadofsmiling,eachofthemmadeaface．4.我们得想些办法改变人们的习惯。___________________________________________________5.人们忍不住嘲笑那个愚蠢的人。______________________________________We’vegottothinkofwaysofchangingpeople’shabits.Peoplecouldn’thelplaughingatthatfoolishman．Ⅱ.单项填空1.Markoftenattemptstoescape____wheneverhebreakstrafficregulations.A.havingbeenfinedB.tohavebeenfinedC.tobefinedD.beingfined2.Ireallyappreciate____tohelpme,butIamsurethatIcanmanagebymyself.A.youtoofferB.thatyouofferC.yourofferingD.thatyouareoffering3.Thethieftookawaythewoman’swalletwithout____.A.beingseenB.seeingC.himseeingD.seeinghimDCA4.Noonecanavoid____byadvertisements.A.tobeinfluencedB.beinginfluencedC.influencingD.havinginfluenced5.Theyareconsidering____beforethepricesgoup.A.ofbuyingthehouseB.withbuyingthehouseC.buyingthehouseD.tobuythehouse6.IfIhadremembered____thedoor,thethingswouldnothavebeenstolen.A.tolockB.lockingC.tohavelockedD.havinglocked7.Mytransistorradioisn’tworking.It____.A.needrepairingB.needstorepairC.needsrepairingD.needtoberepairedBCAC8.Itisnouse____menottoworry.A.youtellB.yourtellingC.foryoutohavetoldD.havingtold9.Heisverybusy____hispapers.Heisfartoobusy____callers.A.towrite;toreceiveB.writing;toreceiveC.writing;receivingD.towrite;forreceiving10.Thesuspectatlastadmitted____stolengoodsbutdenied____them.A.receiving;sellingB.toreceive;tosellC.toreceiving;tosellingD.tohavereceived;tohavesoldBBA