人教版选修七课件Unit 2 Robots Learning about language

Learningaboutlanguage MymotherfeltalarmedwhenIhadmyhaircolouredpurple.MymotherwasalarmedwhenIhadmyhaircolouredpurple.Lookatthesentences.Isthisapassivesentence? Thoughthestructureseemslikeapassivesentence,itisnot.Apassivesentenceindicatesapassiveactionwhilethissentencedescribesasituationwhensomeonehasthefeelingofalarm.“alarmed”isanadjectiveformedbyv+ed.Key! DiscoveringusefulstructuresGooverthepassivevoice1.be+V+-ed/-en/-tMyhomeworkwaseatenbythedog.Thetoyismadebyhand. Thefunctionsoftheinfinitive.Exceptpredicate,theinfinitivecanfunctionassubject,object,predicative,attribute,adverbialandobjectcompliment.Goovertheinfinitive tobe+pastparticiple当不定式动词与其逻辑主语之间是被动关系时，不定式要用被动语态。其构成形式如：tobegiven,tobeshut,tobeopenedExplanationofthepassiveinfinitive Forexample:Shehatestobelaughedat.(otherslaughather.Sheislaughedatbyothers)2.Iamexpectingtobegivenapay-risenextmonth.(givemeapayriseIwillbegivenapayrise.) 重要提示：Examples:beto+passiveinfinitive(tobe+pastparticiple)isoftenusedinnoticesandinstructions.Thiscoverisnottoberemoved.Themedicineistobetakenthreetimesaday. 1.Havingatripabroadiscertainlygoodfortheoldcouple,butitremains____whethertheywillenjoyit.A.toseeB.tobeseenC.seeingD.seenExerciseB 2.Ihurriedtothemeetinghall,only____thatthemeetinghadbeenputoff.A.totellB.tobetoldC.tellingD.toldB 3.Doletyourmotherknowallthetruth,sheappears____everything.A.totellB.tobetoldC.tobetellingD.tohavebeentoldD 4.LittleTomshouldlove____tothetheaterthisevening.A.tobetakenB.totakeC.beingtakenD.takingA 5.Itissaidthatplasticscanbeusedto____manythings.Nowpeopleareusedto____plasticsproducts.A.make;usingB.making;usingC.making;useD.make;useA 6.Withalotofproblems____,thenewly-electedpresidentishavingahardtime.A.settledB.settlingC.tosettleD.beingsettledC 7.He___andwasmadetorepeatit.A.didn’tunderstandB.didn’tbeunderstoodC.wasn’tunderstandD.wasn’tunderstoodD 8.Thepupilshere____allkindsofexerciseseverydayinthepastfourweeks.A.keptbusydoingB.keepondoingC.havekeptbusydoingD.havebeenkeptbusydoingD 9.Visitors____nottotouchtheexhibits.A.willrequestB.requestC.arerequestingD.arerequestedD 10.Insomepartsoftheworld,tea____withmilkandsugar.A.isservingB.isservedC.servesD.servedB HomeworkGooverwordsandexpressions.Gooverthegrammar.DoEx3onPage56.