高中英语 Unit 3 Under the sea period 3 grammar课件 新人教版选修7.ppt

Grammar Theuseofv ing Unit3Underthesea 学生能够了解并掌握v ing形式的主动式和被动式 学生能够了解并掌握V ing形式的完成式 及其对应的被动式 本节课是关于动词V ing形式的语法课 设计意图是通过当堂讲解和练习来让学生掌握该语法的考点 首先 通过让学生填表格导入新课 先让学生从形式上认识V ing形式的一般式和完成式及其对应的被动形式 然后 逐个讲解v ing形式作主语 宾语 表语 定语等 并且讲练结合 当堂巩固 最后 课堂检测 既能让学生自我检测 又达到了整体上巩固语法的目的 not doing not beingdone not havingdone not havingbeendone V ing可作主语 宾语 表语 定语 状语和宾语补足语 但不能单独作谓语 V ing形式表示的动作与主要动词同时发生或发生在主要动词之后 用其一般式 V ing形式表示的动作在主要动词之前发生 用其完成时 在具体应用中也常以一般式代替完成式 1 作主语 Swimmingisgoodforhealth raise yourhattoaladyisgoodmanners kill bysharksintheseaisacommonthing Raising Beingkilled 2 作表语 Teachingislearning 教学相长 Myhobbyis make modelplanes Whatworriedthechildmostwas not allow tovisithismotherinthehospital making notbeingallowed 1 动名词和不定式都可以作主语 动名词作主语表示一般或抽象的多次性行为 不定式作主语往往表示具体的或一次性的动作 如 Playingwithfireisdangerous 泛指玩火 Toplaywithfirewillbedangerous 指一具体动作 2 V ing形式和不定式都要有对称性 当主语是不定式时 表语也用不定式 反之 当主语是V ing形式时 表语也用V ing形式 Toseeistobelieve Seeingisbelieving talking tolearn e g Itisnousecryingoverspiltmilk 覆水难收 Itis adj forsb todosth It作形式主语 只用V ing 不用不定式 3 It snouse good doingsth It sawasteoftimedoingsth Itisawasteoftime talk tohim Itisimportantforme learn English 3 作宾语V ing形式既可作动词的宾语 也可作介词的宾语 Wewouldappreciatehearingfromyou 我们会珍惜你的来信 Thebirdescaped catch Ifeellike join thearmy Hewasafraidof abandon byus beingcaught joining beingabandoned 4 作定语 Thegirlstandingthereismysister Thisisapieceof surprise news Theproblem discuss nowisveryimportant Thefarmers work inthefieldsaretired surprising beingdiscussed working 5 作状语 Hearingthegoodnews hejumpedwithjoy Hesatatthetable read ChinaDaily ask toanswerthequestion shecouldn trefuse work hard youwillsucceed reading Beingasked Working 6 作宾语补足语 Isawpeoplecomingandgoinginthestreet Iheardher sing asonginherroom You llfindthetopic discuss everywherenow singing beingdiscussed 1 Hehurriedhome lookingbehindfromtimetotime 2 Thebuildingbeingrepairedisourdormitory V ing一般时和一般时的被动形式 1 Havinglitacandle shewentout 2 Havingbeenaskedtostay Icouldn tleave 3 Havingheardthis ourteacherexpressedhersatisfaction V ing的完成时和完成时的被动形式 turn totheright youwillfindtheplaceyouwant 2 ask toputonperformance sherefused 3 Hedisliked interrupt inhisexperiment 4 learn newwordsisuseful Turning Beingasked Learning beinginterrupted 5 finish hiswork Henrywenthome 6 Iapologizefor not wait foryou 7 not receive ananswer Iwrotetohimagain 8 give suchagoodchance youshouldcatchit nothavingwaited Nothavingreceived Havingbeengiven Havingfinished