高中英语 Unit3《Under the sea》Period （5）教案 新人教版选修7

PAGE 英语 关于好奇心的名言警句英语高中英语词汇下载高中英语词汇 下载英语衡水体下载小学英语关于形容词和副词的题 ：Unit3《Underthesea》Period5 教案 中职数学基础模块教案 下载北师大版¥1.2次方程的根与系数的关系的教案关于坚持的教案初中数学教案下载电子教案下载 （新人教版选修7）Period4　GrammarTeachingaims　　　　　1．Studentswillbeabletorecognizethe－ing/beingdoneformsandknowtheexactmeaningsofthem.2．Studentswillbeabletousethesetwoformscorrectly.Teachingprocedures　　　　　Step1　RevisionAskstudentstoanswerthefollowingquestionswithoutreferringtothetextbook.1．WhatdidClancywitnesswhenherandowntotheshore?2．WhydidClancyruninahurry?3．WhatdidOldTomdowhentheyheadedintothebay?4．WhatdidOldTomdoafterGeorgebeatthewater?5．WhatdidClancywitnesswhentheydrewnear?Suggestedanswers：1．Hesawawhalethrowingitselfoutofthewaterandthencrashing_downagain.2．BecauseClancyhadalreadyheardthatGeorgedidn'tlikebeing_kept_waiting.3．TheycouldseeOldTomswimmingbytheboat，showingthemtheway.4．Tomcircledbacktotheboat，leadingthemtothehuntagain.5．Hecouldseeawhalebeing_attackedbyapackofaboutsixotherkillers.Next，askstudentstopayattentiontotheunderlinedwordsandleadintothegrammaritem—“v.－ing”/“beingdone”．Step2　Grammarlearning1．现在分词(－ing形式)的构成。v．－ing形式由“do＋ing”构成，其否定形式是“notdoing”，v.－ing可以带宾语或状语构成v．－ing短语，没有人称和数的变化，但有时态和语态的变化。2．动词－ing形式的被动式分一般式和完成式：(1)一般式：表示这个被动的动作正在进行或与谓语表示的动作同时发生。(2)完成式：强调这个被动的动作在谓语动词所表示的动作之前完成。　　语态时态主动语态被动语态一般式(not)doing(not)beingdone完成式(not)havingdone(not)havingbeendone　　3.动词－ing的被动式的句法功能。(1)作主语。如：So_being_killed_by_sharkswasacommonthing.(2)作宾语，用在介词后或需要带－ing形式作宾语的动词后。如：Georgedidn'tlikebeing_kept_waiting.Hewasterrifiedofbeing_abandoned_by_us.Doyouremember_having_been_takentoBeijingattheageoften?(3)作表语。如：Whatworriedthechildmostwashisnot_being_allowed_tovisithismotherinthehospital.(4)作定语。如：Theproblembeing_discussedisofgreatimportance.(5)作状语。如：Having_been_shown_aroundthelibrary，weweretakentoseethelab.(6)作补足语。如：Aswedrewcloser，Icouldseeawhalebeing_attackedbyapackofaboutsixotherkillers.Whenweapproachedhim，IsawJamesbeing_held_upinthewaterbyOldTom.[注意](1)v.－ing形式的被动式主要在句子中作状语、宾语补足语和定语。但v.－ing形式的被动式的完成式，一般在句中作状语(偶尔作非限定定语)，不作其他成分。Theydon'tlikethe_design_of_the_new_bridge_being_built.(正在建造的桥的 设计 领导形象设计圆作业设计ao工艺污水处理厂设计附属工程施工组织设计清扫机器人结构设计 )Not_having_been_completed，themuseumcan'tbevisitedyet.(由于没有完工……)(2)v.－ing形式的被动式逻辑主语(即动作的承受者)如果也是主句的主语，就不需要表示出来，但是如果逻辑主语不是主句的主语，就得把v.－ing形式自己的主语表示出来。如：Thewholeclassroomhaving_been_cleaned，thestudentswenthomehappily.(3)在want，need，deserve，require，repay，bear，take等动词及形容词worth后，习惯用动词－ing的主动形式表示被动意义，相当于“tobedone”。如：Thehousewants_cleaning.这房屋需要打扫。Mywatchneeds_repairing.我的手表需要修理。Thewaydeserves_mentioning.这个方法值得一提。Theseyoungtreeswillrequirelookingaftercarefully.这些小树需要细心照顾。Thefilmisworthseeing.这部影片值得一看。Step3　Exercises句型转换(改成带－ing形式被动结构的简单句)(1)Thehotelwhichisbeingbuiltnowbesidetheparkwasdesignedbyagroupofyoungmen.(2)Thelittlegirlwaseventuallyawarethatherparentsabandonedherinthemountainousvillage.(3)Hewouldcomeevenifwedon'tinvitehim.(without)(4)Afterhehadbeenexaminedseveraltimes，hewastoldtobehealthy.(5)Inoticedthatsomepeopleweretakentothepolicestation.Suggestedanswers：(1)Thehotelbeingbuiltnowbesidetheparkwasdesignedbyagroupofyoungmen.(2)Thelittlegirlwaseventuallyawareofbeingabandonedbyherparentsinthemountainousvillage.(3)Hewouldcomewithoutevenbeinginvited.(4)Afterhavingbeenexaminedseveraltimes，hewastoldtobehealthy.(5)Inoticedsomepeoplebeingtakentothepolicestation.Step4　DrillingAskstudentstodoExercise1onPage23andcheckwiththeirpartnersthenchecktogether.AskstudentstodoExercise2andchecktheanswerstogether.Keys：1.beingattacked　2.Beingheldup　3.Beingincluded　4.Havingbeenaccepted5．beingtold　6.Beinghelpedout　7.beingtaken　8.beingphotographed　9.beingswallowed.Step5　UsingstructuresShowstudentsthe6picturesonPage64andaskthemtodescribethemusingthepassive－ingforminpairs.Keys：1.beinginvited　2.beingkeptwaiting　3.beingattacked　4.beingawarded　5.beingshoutedat　6.beingblamedStep6　HomeworkFinishoffExercise2onPage64.