高中英语人教大纲第三册：Unit5Gettingthemessage(第五课时)

1、The Fifth PeriodThe Object ComplementTeaching Aims:1.Revise one of the members of the sentencethe Object Complement to make the students acquire a correct and clear knowledge of it.2.Do plenty of exercises to enable the students to master and use it freely.Teaching Important Point:Revise and master

2、some different kinds of words and phrases as Object Complements.Teaching Difficult Point:How to choose proper words or structures as an object complement,especially between“infinitive”“-ing”form and “-ed”form.Teaching Methods:review,explantion and inductive methods.Teaching Aids:1.the blackboard2.th

3、e multimediaTeaching ProceduresStep GreetingsGreet the whole class as usual.Step Grammar StudyT:In the last period weve learnt something about the Ojbect Complement.Today well learn more about this grammar item.First,look at the sentences on the screen.Underline the Object Complement and tell what p

4、art of speech each of the object complement is.1.The doctor advised Mary to have more exercise.2.How shall we set the whole thing going?3.Please get your blood tested in the next room.4.They made him captain of the ship.5.Why dont we dye it blue?6.He found everything there in good order.7.He ordered

5、 them away. (Teacher tells the class to prepare,then asks some students to give the answers.)Suggested answers:1.to have more exercise (infinitive)2.going (present participle)3.tested (past participle)4.captain of the ship (noun)5.blue (adjective)6.in good order (preposition phrase)7.away (adverb)T:

6、From these sentences we can see what can be used as object complement.They are.(Bb. infinitive;v.-ing/p.p./n./adj./prep-phrase/adv.)T:We often use the infinitive as object complement.The sentence structure is like this.Bb:Subject+Predicate(vt.)+Object+Infinitive (to do)Do you know which of the verbs

7、 can be used in this sentence structure?S1:advise,invite,persuade,encourage,allow,permit,ask,require,expect,wish,want,order,force,forbid,warn.(Teacher writes these words on the blackboard.)T:Some verbs can be followed by the infinitive as object complement without“to”.The sentence structure is like

8、this.Bb:Subject+Predicate(vt.)+Object+Infinitive(do sth.)Can you tell me which of the verbs can be used in this structure?S2:have,make,let,hear,observe,see,watch,feel,notice,listen to.(Teacher writes these words on the blackboard.)T:If we turn the sentence structure into the passive voice,the word“t

9、o”can not be omitted.Are you clear about that?Ss:Yes.T:Besides the infinitive,we can also use the present participle and the past participle as object complement.This is the sentence structure.Bb:Subject+Predicate(vt.)+Object +v.-ing/p.p.Can the verbs we mentioned just now be used in this sentence s

10、tructure?S3:Some of the verbs of sensation,such as “hear,observe,see,watch,feel,notice,listen to” can be used in this sentence structure.S4:The verb“have”can also be used in this sentence structure,too.T:You are both right.Now look at the screen.Compare the sentences in each group and pay attention

11、to their differences:1.I often hear them sing this song.Suddenly he heard someone knocking gently on the window.He once heard the song sung in German.2.Suddenly he felt the atmosphere grow tense.She felt something crawling up her back.I felt a great weight taken off my mind.3.She was often seen to a

12、ct like that.Dont you see a girl running towards us?She was glad to see her children well taken care of in the nursery.4.I wont have you say such things.Im sorry to have you waiting so long.Youd better have your shoes mended.5.I have to get him to start at once.He tried to get the engine running.She

13、 got a new coat made.T:Look at the first group of sentences.We use the infinitive as object complement to express the whole of an action or event,and we use the present participle to suggest part of an action.S5:But when shall we use the past participle as object complement?T:As we know,the object i

14、s the logical subject of the object complement.When we try to express a passive meaning,the past participle should be used.Do you understand?Ss:Yes.T:Look at the fourth group.The first sentence means:cause somebody to do something.The second one means:cause somebody to do something all the time and

15、the third sentence means:have someone else to do something.Is that clear?Ss:Yes.T:In the last group we can see the verb “get”has the same meaning as the verb“have”,but we must say“get sb.to do sth.”.Are you clear about that?Ss:Yes.T:Some of the verbs,such as “believe,consider,feel,find,think,know,et

16、c.”can be followed by“to be+adj./n.”as object complement.Sometimes“to be”can be omitted.Look at the sentence structure on the blackboard.Bb:Subject+Predicate(vt. believe,consider,feel,find,think,know,suppose)+Object+(to be)+adj./n.Now look at the sentences on the screen.1.She found him a good pupil.

17、2.I know him to have been a university professor.3.I thought him to be an excellent choice.4.The Chinese diet is considered to be healthiest in the world.(Teacher asks some students to read these sentences and give the Chinese meanings for each sentence.)T:Look at these verbs on the blackboard.(Bb:k

18、eep,leave,find,make.) They can also be followed by a compound object.The sentence structure is like this.Bb:Subject+Predicate(vt.)+Object+v.-ing/p.p./adj./prep.-phrase/adv.The verbs “make”and “find”can also be followed by a noun as the object complement.The verb “make”can also be followed by the inf

19、initive without“to”as object complement,but it cant be followed by the present participle as object complement.Do you understand?Ss:Yes.T:OK.Look at the screen and lets study the sentences on it.1.Its dangerous for you to keep the horse running too fast.2.The death of the president made the country

20、sad.3.His English is so poor that he cant make himself understood.4.If the government left the factory pollu-ting the river,there would be no fish here.5.They found him the right man for the job.6.The weather kept us indoors that day. (Teacher explains the sentences for students and asks some studen

21、ts to give the Chinese meaning.)Step Practice and ConsolidationT:Now youve known all the important points about object complement.Next lets do some exercises to have a consolidation so that we can use it freely and correctly.Please look at the screen.Exercise lFill in the blanks with the proper verb

22、 forms:1.I saw him_ (enter)the room, _ (take) something and_ (go)out.2.Please have these boxes_ (carry)to the station right now.3.They found an old woman_ (lie) on the ground.4.Youd better get a doctor_ (pull) out your bad tooth.5.He sat listening to her_ (climb)the stairs.6.I dont want that sort of

23、 thing_(keep) happening.7.He asked for the letter_ (send) at once.8.The workers were made_(work) extra hours every day.Suggested answers:1.enter,take,go2.carried3.lying4.to pull5.climbing6.to keep7.to be sent8.to workExercise 2Choose the best answers:1.The speaker raised his voice but still couldnt

24、make himself_.A.hearB.to hearC.hearingD.heard2.Charles Babbage is generally considered_the first computer.A.to inventB.inventingC.to have inventedD.having invented3.If you go to Xian,you will find the palaces there more magnificent than commonly_.A.supposingB.supposedC.to supposeD.suppose4.Its so co

25、ld today,we must keep the fire_.A.to burnB.burnC.burningD.burnt5.The mother was asked_let her children_TV every evening.A.not to;watchB.not to;to watchC.not;watchD.not;watching6.They didnt observe her_in and go upstairs.A.comeB.to comeC.cameD.coming7.For a time his grandmother found_accept his new i

26、dea.A.hardB.it hardC.it hard toD.it is hard to8.The patient was warned_oily food after operation.A.to eat notB.eating notC.not to eatD.not eating9.When I came in,I saw Dr Li_a patient.A.examineB.examiningC.to examineD.examinedSuggested answers:1.D2.C3.B4.C5.A6.A7.C8.C9.BStep Summary and HomeworkT:In this class,weve revised all the important points about object complement.Weve summarized some useful