【精品】高中英语(人教大纲)第三册:Unit9 Health care(第五课时)

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1、The Fifth PeriodThe Subjunctive MoodTeaching Aim:Review the Subjunctive Mood to improve the students ability to use the English language.Teaching Important Point:Help the students to make a summary of all kinds of the sentence structures in which the Subjunctive Mood can be used.Teaching Difficult P

2、oint:Help the students to use the correct verb-form to show the Subjunctive Mood in different sentence structures.Teaching Methods:Revision,summary,explanation,inductive and practising methods.Teaching Aids:1.the multimedia2.the blackboardTeaching Procedures:Step GreetingsGreet the whole class as us

3、ual.Step Revision and Lead-inT:In Unit 8 and Unit 9,weve revised the use of the Subjunctive Mood.Now,Ill read three sentences to you.Listen carefully and tell in which sentence the Subjunctive Mood is used.Can you follow me?Ss:Yes.T:OK.Listen carefully.No.1,You are careful.No.2,Please be careful.No.

4、3,If you had been more careful,you would not have made the same mistake again.Ss:In the third sentence,the Subjunctive Mood is used.T:Quite right.In the third sentence,a special group of verb-forms is used to talk about events or situations which were not certain to happen in the past.We know,in dif

5、ferent cases,we use different verb-forms.Up to now,weve learnt many kinds of cases in which the Subjunctive Mood should be used.Right?Ss:Right.T:Today,lets make a summary of all the cases.Step Summary of the Subjunctive MoodT:First,lets revise the verb-forms in sentences of unreal condition.Please l

6、ook at the sentences on the screen.(Teacher shows the following on the screen.)1.If he were not ill in bed,he might come to class.I would certainly go if I had time.2.If I hadnt forgotten your telephone number,I should have called you last Sunday.3.If I were to do it again tomorrow,I might do it in

7、different ways.If there should be no water,there would be no life on earth.T:In the first pair of sentences,the past tense is used in the if-clause;“might/could+an infinitive” in the main clause.What kind of situation is talked about?(Bb:did/were,might/could/should/would do)Ss:“Unreal” or improbable

8、 present.T:Then what about the second sentence?Zhao Liang,you try,please.S1:The second sentence talks about things that did not happen in the past.The past perfect is used in the if-clause;“should have done” in the main clause.(Bb:had done;should/would/might/could have done)T:Quite right.Wang Ning,p

9、lease try the third pair of sentences.S2:They are both about improbable future.“were to or should+an infinitive” is used in the if-clause;“would/might+an infinitive” in the main clause.T:Can the past tense be used in the if-clause?Ss:Yes.(Bb:did/were to/should do;would/might/could/should do)T:In add

10、ition,“were I/you/he etc.” “should I/you/he etc.”“had I/you/he etc.” can be used instead of “if I/you/he etc.were”,“if I/you/he etc.should” and “if I/you/he etc. had”.Do you still remember?Ss:Yes.T:OK.Now,please rewrite the sentences on the screen if possible.Any volunteers?S3:Were he not ill in bed

11、,he might come to class.S4:Hadnt I forgotten your telephone number,I should have called you last Sunday.S5:Were I to do it again tomorrow,I might do it in different ways.S6:Should there be no water,there would be no life on earth.T:Nice work.But theres another case you should pay attention to,that i

12、s,the if-clause and the main clause dont talk about events or situations happening at the same time.In this case,the verb-form depends on its own meaning.Can you give some examples?Have a try,please.S7:If you hadnt seen that late film last night,you wouldnt be sleepy now.S8:If he had received six mo

13、re votes,he would be our chairman now.S9:If I were you,I would have attended the lecture.T:Im glad that you can use it correctly.Next,lets revise the verb-forms after “wish” and “as if”.Look at the sentences on the screen.(Teacher shows the following on the screen.)1.I wish I knew her address.He wor

14、ks very hard as if he never in-tended to sleep.2.How I wish I had been able to say the rules without a mistake.He speaks English well as if he had studied in England.3.I wish he would try again.It seems as if it would rain.T:Whod like to make a summary according to the examples?S10:To express a pres

15、ent meaning,the past tense is used both after “wish” and “as if”;to express a past meaning,the past perfect tense is used after “wish” as well as “as if”;to express a future meaning,“ would+an infinitive”is used not only after “wish” but also after “as if”,and “could/should/might+an infinitive”is also possible.(Bb:wish/as if+did/were;had done;would/could/should/might+an infinitive)T:Well done.Thank you.Sit down,please.Next,lets revise the sentences in which “(should) do” is used to express the Subjunctive Mood.Look at the screen again.(Teacher shows the following on the screen.

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