unit 2 the environment grammar 导学案 1

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1、Unit2TheEnvironmentGrammar导学案1【学习目标】动词ing用作形容词：定语、表语、宾语补足语。Step1:说出以下动词ing用作什么成分aninterestingbook____________themansittingbythewindow______________Thestoryisveryinteresting._____________Step2:-ing的时态和语态主动被动一般完成1.Hehurriedhome，lookingbehindashewent.()2.H

2、avingfinishedtheirwork，theyhadarest.()3.Thelargebuildingbeingbuiltisalibrary.()4.Havingbeenshownthelab，weweretakentoseethelibrary.()Step3:-ing形式作定语Itisaverymovingfilmanditiswellworthseeing.Uponhearingtheexcitingnews，theyjumpedwithgreatjoy.单个的现在分词作定语，放在名

3、词的前面，相当于形容词。Thegirlsittinginthecornerismybestfriend.=Thegirlwhoissittinginthecornerismybestfriend.Peopleworkinginthatbankarewellpaid.=Peoplewhoworkinthatbankarewellpaid.现在分词短语作定语放在名词后面，意思和定语从句一样，并且可以转变成定语从句。ThegirlwritingalettertherecanspeakEnglishveryw

4、ell.＝Thegirl___________________________canspeakEnglishverywell.ThefactorymakingTVsetsisverylarge.＝Thefactory_____________________isverylarge.A.现在分词与动名词作定语的区别现在分词表示一个正在进行的动作，可以改成相应的定语从句，而动名词表示名词的用途，不可以改成定语从句.现在分词动名词a______________child一个正在睡觉的孩子a_________

5、______car一辆卧车a____________bird一只正在飞翔的鸟a_______________course飞行课程a_______________girl一个正在游泳的女孩a_____________pool一个游泳池B.与不定式作定语的区别现在分词作定语表示动作正在进行不定式作定语表示将要发生的动作thehousebeingbuiltnow(正在被建)thehousetobebuiltnextyear(将要被建)(练习)用定语从句改写下列各句1.Theteacherteachingus

6、EnglishisMsZhou.=2.ThegirlwritingalettertherecanspeakEnglishverywell.=3.Thepeoplesittingbehindusareallteachers.=4.TheexpertcomingfromLishuiisaladycalledMsCai.=Step4:-ing形式作表语：YourjourneyinKenyaisreallyexciting.Whatyoudidwasdisappointing.ThenightmareIhad

7、lastnightwasveryfrightening.现在分词作表语通常表示主语的属性和特征，相当于形容词，含有“令人..."，其主语通常是物如：interesting使人感兴趣的exciting令人激动的delighting令人高兴的　　disappointing令人失望的encouraging令人鼓舞的pleasing令人愉快的puzzling令人费解的satisfying令人满意的surprising令人惊异的　　worrying令人担心的区别：(1)动名词作表语Myjobisteaching

8、.=Teachingismyjob.Herfull-timejobislayingeggs.=Layingeggsisherfull-timejob.(2)现在分词作表语Theplayisexciting.≠Excitingistheplay.Thestoryhetolduswasveryinteresting.≠Interestingwasthestoryhetoldus.Step5:-ing形式作宾语补足语1.Iheardthegirlsinging