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1、英语九上牛津译林Unit 3 ：优秀教案(第 4 课时) (Grammar 1)Grammar IThe type of the lesson:GrammarTeaching Objectives:1. To use “ wh- ” words +“ to ” infinitives to talk about problems.2. 带 to 的动词不定式可以被放在句子中不同的部分Teaching Emphasis:1 To -infinitive2 Wh- words3 what to do/where to ask/how to solve/when to meet/which to m
2、eet/ whichto doTeaching steps:Step 1 GreetingStep 2 Presentation带 to 的动词不定式可以被放在句子中不同的部分。一、作主语。It is good to hand in homework on time.= To hand in homework on time is good.To plant trees every year is necessary.= It is necessary to plant trees every year.二、作谓语。My dream is to be a great football play
3、er.My purpose is to help you solve your problem.三、作宾语。I hope to hear from you soon.The boy promises not to be late for school again.四、作宾语补语。My parents do not allow me to go out after 6 p.m.Mr. Wu tells the students not to shout in class.五、作表语。Mr. Wu is always the last to leave.There is no need to tr
4、ouble him.Have you got anything important to tell me?六、作状语。(1) 表目的He stayed there to see what would happen.She ran fast to catch the first bus.(2) 表结果Linda came back home to find her house on fire.The little baby has grown up to be a beautiful girl.注意 :有的时候要省略to1 在 make, let, have 等表示使役的动词后面要省略to.2
5、在两个 to 的不定式，用 and 连接的时候，如果前面有了 to ，那么第二个to要省略。Step 3 PracticeMy homeis always noisy. I cannot find a quiet place .(study)I have no courage (share) with my friends my worries.To tell you the truth, sometimes I quarrle with my cousin Shirley. I hope she will not come (disturb) me any more.I hope my pa
6、rents can spare some time for me every day. I need someone(talk) to at home.(learn) dancing well, I need much more practice.My parents care only about marks after exams. They do not seem (notice) that I have tried my best.BStep 1 Presentation我们可以用 wh- 加 to 的不定式结构来表达，除了why。Paul knows who to talk to f
7、or help.Simon does not know what to do .You should decide which to do first.Simon just forgot when to meet his friends.Sandy wants to know where to ask for advice.Millie does not know how to solve her problem.wh-特殊疑问词+to-infinitive相当于一个名词，可以在句子中充当宾语或主语做主语的时候, 谓语动词是单数; 做宾语的时候, 它的前面动词常常有: ask,decide,
8、explain, find out, forget, hear, know, learn, remember, see, tell, understand 等。Step 2Oral practiceAsk the studetns look at the picture and say something.Andy doesn t know what to wear.Tommy can t decide .They don t know to the station.Step 3 Check the answer together.Step Consolidation1. Simon does
9、 not know what (do).2. Sandy wants to know where (ask) for advice.3. Millie does not know how (solve) her problems.4. Simon just forgot when (meet) his friends.5. You should decide when (work) and when (play).6. Paul knows who (talk) to for help.7. Please tell me where (get) help.同义句转换1 . Do you kno
10、w what you should do after class?Do you know after class?2 .He wanted to know which bike he could buy.He wanted to know .3 .The man asked where he should hold the show.The man asked the show.4 .Tommy asked when they should start class.Tommy asked class.把下列句子改成简单句。1. The old lady found out where she
11、could buy fruit cheaply.The old lady found out fruit cheaply.2. Will you show us how we can make a model plane?Will you show us a model plane?3. She hasn t told me what I should do and what I should not do.take?She hasn t told me and what .4. Have you decided which dress you will Have you decided dress ?HomeworkFinish the exercise on your workbook.