高中英语Unit3 The Computer Section 3教案

UNIT3 SECTION3THE GENERAL IDEA OF THIS SECTIONThis section will deal with the grammar section:passive voice.You will have systematic explanations as well as some exercises to consolitate what you learn.TEACHING AIMSIntroduce some more forms of the passive voiceTEACHING IMPOINTANT POINTSThe basic usage of the passive voice and learn to use other formsTEACHING DIFFICULT POINTSHow to help the Ss learn the passive voice effientlyTEACHING METHODSDeduction to present the usage of the passive voice and some exercises to consolidate what we have learnedTEACHING AIDSA multimediaA blackboardTEACHING PROCEDURESStep1 Greeting and revison1 Greet the whole class as usual2 Check their homework if anyStep2 PresentationThe passive voiceT Quite good!You spok much more than I expect.but we can use another way to express ourselvesT lets look at the screen please.The thief got caught stealing .A great many people got injured in the hurricaneT in the two sentences,the passive voice are presented with”got” instead of “be”.Sometimes we use “get+past participle” to form a passive structure.Some people call it “get passive”.Here are more examples.A number of people got killed in the war.The old man got lost in the forest.The explorer got burnt when travelling across the desert.All got invited to the birthday party except TomStep3 drillT According to the rule above,will you give me some more examples?S1 Yes,when waling on the street,he got hit by a car.T very good.You,please?S2 I got trapped in a lift last nightT Wonderful.who else will give more examples?T Come on,Lucy?S3 Jason got accepted as a member of the universitys soccer teamT Right.I think everyone has grasped the usage of “get”.Next,lets look at one more type of the passive voice.T An infinitive can take a passive form when its logical subject is actually the receiver of an action.Look at the following examples.I was happy to be invited to the lecture.The meeting had to be put off owing to the wet groundT Here the logical subjects are the receivers of the verbs.In the first sentence,the logical subject is “I”while in fact “I” is the receiver of “put off”,and in the second one,it is “the meeting”.The problem remained to be solved.These flowers need to be wateredT Now,we have learned the type of “to be done”.you have three minutes to drillT In addition to the two types,we also will learn another one.T A “V+ING”phrase can take a passive form when its logical subject is actually the receiver of an action.I like the film being played at the theatre.She hates being interruted when speakingT In the first sentence,the logical subject of “being played” is “I,and in the second one,it is “she”.T Well,lets look at the following examples.The nurse is taking good care of the babyT If you want to emphasize “the baby”,the sentence should be:The baby is being taken care of by the nurse.Howerer, “the nurse”is often generally omited.We are looking forward to the superstar to attend the ceremony.The superstar is being looked forward to attend the ceremony .T This is called the passive voice of multi-word verbs.When an active voice with a multiword is changed to a passive voice,the multiword shall be put together,not divided or omittedStep4 ConsolidationT Well,enough of that.Now lets see whether we can use them freely or not.Now,look at some exercises for you.Please fill in the blanks with proper formation of given words.The driver who got _ caused the accident.The young trees require _.In the fire,no one escaped from_.We should prevent the river from_ by the chemical factory.The books are said _ again next monthSUGGESTED ANSWERS:Drunk; to be watered; being killed; being polluted; to be publishedStep5 Summary and homeworkT In this section we have learned about the passive voice .From the contents above,we learn four types of the passive voice,which include “be done”, “get done”, “to be done” and “being done”.Then we spent quite much time in knowing usage of them.So todays homework is to go through this after class and try to get familiar with themStep 6 The design of the writing on the blackboardUNIT3 THE COMPUTERSECTION3 GRAMMARBe doneGet done. To be doneBeing doneSte