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1、选修7-Unit-3-Learning-about-LanguageSomeofthewordsinthisunitcanbeusedasbothverbsandnouns.Lookatthesedefinitionsandfindthewordsinthetext.Thenwritedownhowtheyhavebeenused.WordDefinitionsHowusedinthetext1.tojumpintothewaterheadfirst2.agracefuljumpintothewaterheadfirst1.toseesome
2、thinghappen2.someonewhoseesacrimeoranaccidentdive1witness1depth,dive,yell,annual,shark,accommodation,witness,relationship,flee,shore3Usethesewordsintheirproperformstocompletethepassagebelow.WhenIwasyoung,myparentslikedjoggingonthebeach.Soweusedtovisittheseasideonour________
3、holiday.Wealwaysstayedin______________closetothe______becausemyparentshadagood___________withtheownerofthehotel.Wealsowentsnorkellingeachtimeandwould______underthewavestoseethecolourfulfish.AsIgrewolderIwasallowedtogotogreater_______andfurtheroutbeyondthebay.annualaccommoda
4、tionshorerelationshipdivedepthsThereIsawsmall______astheyswamlazilyaroundtheseabottom.OnedayI_________howtheywouldpursuetheirpreyswiftly,andthesmallfishhadnotimeto_____away.Iwantedto____andwarnthepoorfishbutthatwasimpossibleunderwater.ThankGoditwas;otherwise,Imighthavebeens
5、wallowedinstead!sharksyellwitnessedfleeGrammarThePassiveing-form(V-ing形式的被动式)V-ing形式的各种时态和语态:时态一般式完成式主动语态被动语态doinghavingdonebeingdonehavingbeendone1.动名词的被动式：动名词的被动式有两种:being+过去分词；havingbeen+过去分词。例如：a)每个人都喜欢得到赞美。Everybodylikes_______________.b)我记得曾经听过这故事。Iremember___________
6、_______thestory.2)在need/want/require(需要)和beworth(值得)等词后面,动名词的主动形式表示被动意义。例如：a)这件事需要调查。Thematterrequires____________.=Thematterrequirestobelookedinto.beingpraisedhavingbeentoldlookingintob)这本书值得一读。Thebook_________________.=Thebookisworthyofbeingread.2.现在分词的被动式现在分词的被动式也有两种:bei
7、ng+过去分词(强调事情正在发生)；having+been+过去分词(强调事情已经发生,不作定语)。例如：a)她正接受提问,感到有点儿紧张。____________toanswerthequestion,shefeltalittlenervous.isworthreadingBeingaskedb)这么好的机会给了你,你怎么能一点也不珍惜呢？_________________suchagoodchance,howcouldyounotvalueitatall?2)作定语时,“being+过去分词”表示正在进行的动作;done表示一般过去或已经
8、完成的动作;tobedone表示将要发生的动作。如：a)正在建造的房屋,完工后将用作我们的图书馆。Thehouse___________willbeourlibra
