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Period2Checkinganswer–keysforEx.1onPage11:AlternativeexpressionsWordsandexpressionsfromthetextdarkenedskin…needforfoodmakesomething…becomelarger…makeinformation…livea…sunburnthungerrid…ofexpandcirculateleada…lifeAlternativeexpressionsWordsandexpressionsfromthetextPrefertoBecauseofTryextremely…Sendthings…thankstowouldratherstruggleexportCheckinganswer–AnswerkeysforEx.2onPage12:1.prove2.wouldrather3.live4.life5.rid6.of7.output8.increased9.sunburntCheckinganswer–AnswerkeysforEx.2onPage12:1.super2.satisfied3.strain4.Exported5.suitablePresentationTheusageof–ingform表示主动的或正在进行的动作或状态Attribute(定语)ObjectComplement(宾语补足语)Subject(主语)Predicative(表语)Object(宾语)Adverbial(状语)1.Walkingisgoodforeveryone.（主语）2.Ourjobisplayingallkindsofmusic.（表语）3.Weshallappreciatehearingfromyouagain.4.Doyouknowtheboylyingunderthetree?（定语）5.Peoplecometothemeparks,lookingforexcitement.（状语）6.Onthehill,hesawsmokerisingfromthechimneys.（宾补）(主语）（表语）（宾语）（状语)（宾补）A.作定语（单个-ing形式一般放在被修饰的名词之前而-ing短语一般放在被修饰的名词之后)1.Thisamusingstorymadeuslaugh.2.Thegirlcomingtodinnertonightisafamousfilmstar.1.坐在我旁边的女孩默默地看着我.Thegirl____________________lookedatmeinsilence.2.Therewasacarcameintheotherdirection.3.Wecan’tattendthemeetingheldnowaswe’reverybusy.sittingbesidemecoming当表示正在被完成的动作时可用beingdone，修饰名词时往往后置。Thebuildingbeingbuiltnowisourgymnasium(体育馆）.being当表示已经被完成和将要被完成的动作时可用done和tobedoneThisisthebuildingbuiltlastyear.They’vedesignedthebuildingtobebuiltnextyear.B.作宾语补足语1.感官动词see/lookat/notice/watch/observe/catch/feel/find/smell/hear/listento+o.+doing2.have\get+o.+doing3.keep\leave+o.+doing4.with+o.+doing+do\done+do(get+o.+todo)\done+done/adj./adv./prep.phrase+done\todo\adj.\adv.\prep.phrase被动：beseentodo\doing\done1.Iheard____________(他在唱歌)whenIpassedhishouse.2.Turnoffthelights!Don’tleavethem__________(亮着)allnightlong.3.Acookwillbeimmediatelyfiredifheisfound_____inthekitchen.a.smokeb.smokingc.tosmoked.smokedhimsinging(b)burning\onC.作主语和表语1.区别doing和todo作主语和表语时的不同2.doing和todo作主语时谓语动词用单数3.固定句型：Itisnouse\gooddoing…4.注意-ed式形容词和-ing式形容词作表语和定语时的区别1.Insomecountries,________(nod)one’shead________(mean)“no”.noddingmeans2._________(teach)isquiteinteresting.3.___________(teach)somanylittlekidsinsuchasmallroomtodaywillreallymakemeconfused.TeachingToteachshock\excite\invite\encourage\disappoint1.Itis_exciting_towatchtheworld’stopsoccerplayersplayinChina.2.Iwas_shocked_whenIheardaboutyouraccident.3.Thefathermusthavesaidsomethingbecausetheboyfinallygotupandmadeagoodspeech.4.Hesaidina_disappointed_voicethathewouldleaveatonce.5.Thefooddidn’tlookvery.Itwasnotworththemoney.invitingencouraging4.Wewere__________inthe__________story.(有趣的）interestedinteresting动名词与不定式作主语时的比较：动名词表示的动作通常是一个泛指的动作，不定式则通常表示具体的动作。如：还是个孩子的时侯，她就觉得探视病人是一种责任，也是一种愉悦。Asachild，shefeltthatvisitingsickpeoplewasadutyandapleasure．到美国人家里做客对我来说将是一个极好的经历。BeingaguestinanAmericanhomewillbeagoodexperienceforme.归纳：常用-ing形式作主语的句型有：It+be+awasteoftimedoing做……是浪费时间的Itis/wasnogood/usedoing做……是没用处的Itis/washardly/scarcelyworthdoing做……不值得Itis/wasworth/worthwhiledoing做……是值得的Thereisnodoing无法……，不允许……Thereisnosenseindoing做……没有道理Thereis/wasnousedoing干……无意义Thereis/wasnothingworsethandoing没有比……更糟的Thereis/wasnopointdoing干……无意义Thereisnosenseindoing做……没有道理Thereis/wasnousedoing干……无意义Thereis/wasnothingworsethandoing没有比……更糟的Thereis/wasnopointdoing干……无意义我们不知道要去哪儿。Therewasnoknowingwherewewouldgo.做这件傻事毫无意义。Thereisnopointdoingsuchasillything.注意：Thereisnoneedtodosth干、、、没必要，在此句式中todo不可换为doing..没有必要告诉她。Thereisnoneedtotellher.提示：当动名词用作主语时，其逻辑主语由形容词性物主代词和名词所有格构成。我姐姐病了，使我很担心。Mysister'sbeingillmadeweworried.你正确未必就意味着我错了。Yourbeingrightdoesn'tnecessarilymeanmybeingwrong.D.作宾语（-ing形式及其复合结构可以放在动词、介词、短语之后）1.固定的动词之后（avoid\appreciate\finish\mind…)2.固定短语之后（giveup/keepon/beworth/feellike…)3.remember/forget/regret/mean/try/like/dislike/love/stop/goon/can’thelp之后加doing和todo区别1.Youcanshowyourwelcometosomeoneby_shaking_(shake)handswithhimorher.2.Ifeellike_takingarest_(休息）.Wouldyoumind_my/mesittinghere_(我坐这儿）？3.Iremember_returningthebooktoyou_(把书还给你了）.4.Shestronglydislikedspokentolikethat.shakingtakingarestE.作状语的用法（在句子中表示时间、条件、伴随、结果、原因等）1.当主句中的谓语动词和-ing短语中动词所表示的动作同时发生时，用-ing形式,否定式为notdoing2.-ing短语中动词所表示的动作发生在主句的谓语动词所表示的动作之前，用havingdone形式（被动用havingbeendone)，否定式为nothaving(been)done3.-ing形式作状语时，其逻辑主语通常为主句的主语4.从属连词+动词的-ing形式\动词的过去分词(when\while\once\although\unless,since,whenever,until,asif…)Arrivinghome,shefoundthedoorlocked.Havingfailedtheexam,henolongerplayedcomputergames.Notknowingwhattodo,youradviceisimportanttome.Whilereadingtheletter,shecried.一直不做就是作恶。Doingnothingisdoingill．他说：“继续这样下去是无用的。”Hesaid，“Togoonlikethisisnouse．”我很荣幸被邀请参加这个晚会。It’sanhonorformetobeinvitedtotheparty．1.____suchheavypollutionalready,itmaynowbetoolatetocleanuptheriver.(2004全国)A.HavingsufferedB.SufferingC.ThatD.Suffered精析：根据句意“itmaynowbetoolateto…”和“already”可知“河流已经被严重污染”，应用完成时。答案A。Exercises2.____thegeneralstateofhishealth,itmaytakehimawhiletorecoverfromtheoperation.(全国2002)A.GivenB.TogiveC.GivingD.Havinggiven解析：本题考查过去分词作状语的用法。分析题干，前一部分相当于一个条件状语从句，即Ifheisgiven…，因为主句是it，从句应含被动意义，这恰是过去分词作状语的基本含义即含被动意义。答案A。3.----Thepict