高中英语 unit2 the environment grammar period1导学案牛津译林版必修5

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1、Module5Unit2TheenvironmentGrammarPeriod1Learningaims（学习目标）:1.Tograsptheusagesofthe–ingformandthe–ingphrase.2.Tograsptheusagesoftheperfectandpassiveform3.Tofinishsomeexercisesaboutthe–ingform.Importantanddifficultpoints（重点难点）：1．Whyshouldweusev-ingfrom?2．Howdoweusev-ingform?预习导航【静下心来想一想】Theforma

2、tionofthe–ingform:1)Turnthefollowingverbsintothe–ingform.1.debate_______________2.flow_______________3.wipe_______________4.cut_______________5.lay________________6.clap_______________合作探究【有疑有问议一议】1.Identifythefunctionsofthe–ingform.（方法引导:说一千，道一万，学语法关键是记住语法规则）1.Readthepoints1—3onpage28andpoint

3、s1—4onpage30ascarefullyasyoucanandrememberthedifferentfunctionsofthe–ingform.（记住thev—ing形式的语法功能。）2.ReadandstudytheexamplesbeloweachpointonP28andP30,thenbeabletoidentifythefunctionsofthe–ingform.（区分v—ing在句子中的语法功能。）3.Readandstudythefollowingsentencesandpointoutthedifferentfunctionsofthe–ingform.

4、1).Awaitingtaxiisaroundthecorner.Goandtakeit.________________2).Weallfoundthefilmveryinteresting._______________3).Iheardsomeoneplayingtheviolininthenextroom._______________4).Theycameintotheclassroom,talking._______________5).Iwatchedtheathletesjumpingintotheswimmingpool.______________6).Then

5、ewswasreallyexciting.______________7).Thesmilingboyrantohismother._______________8).TheboysatonthesofawatchingTV._______________9).Thewomancomingtodinnerthiseveningworksinthebank..___________2.Grammaticalfunctionsofv-ing▲V-ingusedasattribute:1.arunningman2.ThemanrunninginthepictureisLiuXiang.3

6、.Themanrunningfastestgotthefirstplace.4.ThemanwhoisrunninginthepictureisLiuXiang.◆学习小结：(1)V-ing形式作定语可表示动作正在进行（如例1、2）或表示和所修饰词之间有逻辑主动关系（如例3）。(2)单个V-ing词作定语修饰名词一般置于名词之前（如例1）；V-ing词组修饰名词则置于名词之后（如例2、3），此时相当于一个定语从句（如例4）。an_____evening(激动人心的夜晚)an_____crosstalk(有趣的相声)thefarmers_______________(在田间劳作的农民

7、)themeeting_______________(持续半个小时的会议)▲V-ingusedasObjectComplement1.Wesawsomestudentsplayingbasketballontheplayground.2.Iheardhimsinginginthenextroom.3.Theyhavethefireburningallnight.◆学习小结：V-ing形式作宾语补足语置于宾语之后，表示一个正在进行的动作（如例1、2），或强调一个过程或一