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ID:19269281
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页数:5页
时间:2018-09-28
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1、UndertheseaPeriod4 GrammarPeriod4 Grammar Teachingaims 1.Studentswillbeabletorecognizethe-ing/beingdoneformsandknowtheexactmeaningsofthem. 2.Studentswillbeabletousethesetwoformscorrectly. Teachingprocedures ?Step1 Revision Askstudentstoanswerthefollowingquestion
2、swithoutreferringtothetextbook. 1.WhatdidClancywitnesswhenherandowntotheshore? 2.WhydidClancyruninahurry? 3.WhatdidOldTomdowhentheyheadedintothebay? 4.WhatdidOldTomdoafterGeorgebeatthewater? 5.WhatdidClancywitnesswhentheydrewnear? Suggestedanswers: 1.Hesawawhalethrow
3、ingitselfoutofthewaterandthencrashing_downagain. 2.BecauseClancyhadalreadyheardthatGeorgedidn’tlikebeing_kept_waiting. 3.TheycouldseeOldTomswimmingbytheboat,showingthemtheway. 4.Tomcircledbacktotheboat,leadingthemtothehuntagain. 5.Hecouldseeawhalebeing_attackedbyapackof
4、aboutsixotherkillers. Next,askstudentstopayattentiontotheunderlinedwordsandleadintothegrammaritem—“v.-ing”/“beingdone”. ?Step2 Grammarlearning 1.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:
5、 (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:
6、 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_discussedisofgreatimpo
7、rtance. (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.
8、-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_brid
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