Period3Grammar设计者邵宁宁Teachingaims1．Revisethepassivevoice(includingtheinfinitive)andknowtheexactmeaningofthestructure.2．Beabletousetheusefulwords，expressionsandstructurescorrectly.TeachingproceduresStep1RevisionAskstudentstoanswerthefollowingquestionswithoutreferringtothetextbook.1．WhatwasgoingtobetestedoutbyLarry'swife，Claire?2．HowdidLarryBelmontfinallypersuadehiswifetoaccepttheexperiment?3．HowdidClairefeelwhenshewasofferedsympathybyarobot?4．WhatdidTonyexpecttodoaboutthehousebeforehewastoleaveandLarrywastoreturn?5．HowdidClairefeelwhenshewasenviedbythosewomen?6．WhathappenedtoTonyatlast?Suggestedanswers：1．TherobotwasgoingtobetestedoutbyLarry'swife，Claire.2．Larrypersuadedherthattherobotwouldn'tharmherorallowhertobeharmed.3．Shethoughtitwasridiculoustobeofferedsympathybyarobot.4．Tonyexpectedthehousetobecompletelytransformed.5．Shefeltitasweetvictorytobeenviedbythosewomen.6．Tonyhadtoberebuilt.Step2Grammarlearning1．不定式的被动形式当不定式与逻辑主语之间是被动关系时，即不定式的逻辑主语是不定式所表示动作的承受者，不定式一般要用被动形式。其被动式可以分为两种：一般式和完成式。(1)一般式：tobedone，表示不定式动作在谓语动词之后或者同时发生。Itisagreathonor_to_be_invited_tospeakhere.很荣幸被邀请在这里讲话。Thenovelissaid_to_be_published_nextmonth.据说这本小说下月要出版。(2)完成式：tohavebeendone，表示不定式动作发生在谓语动词之前。Thebookissaidto_have_been_translated_intosixlanguages.这本书据说已经被翻译成六种语言。Thebosspreferred_to_have_been_given_moreworktodo.老板宁愿被分给更多的工作做。被动一般式tobedone完成式tohavebeendone2.不定式被动形式的作用1(1)作主语It'sanhonorto_be_invitedtotheceremony.很荣幸被邀请赴宴。It'sapityto_be_keptinthehouseinsuchfineweather.在这样好的天气被关在家里真是遗憾。(2)作表语Theletteris_to_be_sent_byairmail.这封信笺要空邮。(3)作宾语Shedidn'tliketo_be_treatedasachild.她不喜欢被当成孩子。Theboyaskedto_be_givenanopportunitytotryagain.那男孩要求给他再试一次的机会。(4)作宾语补足语I'dlikemybedroomto_be_cleaned.我想整理一下我的卧室...
