8B  unit 1 Past and present  (period 1)教案
Contents:Comic strips and Welcome to the unit
Aims: 1 To introduce the present perfect tense generally.
       2 To introduce the different forms of transport at different times in Beijing.
Important points: Aim 1 and 2
Difficult point: Understanding aim 1
Teaching procedures:

Step 1: Free talk
　　　1）Check out the prepared work.
　　　一．根据句意及首字母提示完成单词
　　　1. There is no time at p________.
　　　2. There are a lot of light r_______in Hong Kong.
　　　3. He often goes to work by u__________.
　　　4. I was very h_________,so I have eaten your food.
　　　5. Great c________ have taken place in our city.
　　　6. This summer holiday, he went to Beijing by t________.
　　　7. Because of the Changjiang River, I have to go to Shanghai by f_______.
　　　8. Planes have been in use in Beijing s________1925.        
2) T:In the past, Hobo and Eddie were good friends. But now something happens between them. Do you want to know what’s wrong with them? Listen to the tape and try to answer my question.

Step 2: Presentation (present perfect tense)
1. T:Now, read the dialogue, and find out the answers to the following questions.
　　1) Where was Hobo’s food an hour ago?
      2) What did Eddie do?      
　　3) Why did he do that thing?                          
　　4) What does Hobo think of Eddie?
　　Work in pairs and drill the dialogue,then try to recite the dialogue.
2. T: Has Eddie changed? (Explaining the new tense : the present perfect tense)
    3. T：My favorite food is chocolate. Today I took a piece of chocolate here. Oh,where is my chocolate? It was in my pocket an hour ago.
　　4. Teacher asks Ss： ---Have you seen my chocolate?  ---No, I haven’t.
　　Ss guess                                    Teacher says
　　Maybe you have put it in your bag.          ----No, I haven’t.
　　Maybe you have put it in your office.         ----No, I haven’t.
　　Maybe you have put it in your book.         ----Yes, I have.
    5. Ask the students to give some examples:
　　Eg:  Have you cleaned the classroom? (clean-cleaned-cleaned)
　　　　 Have you ever seen the film? (see—saw—seen)
            I’ve (I have) already eaten it. (eat—ate—eaten)
            We have not done this work yet.(do—did—done)……   
　　6. Do some exercises about different tenses and the comic strip.
用动词的适当形式填空。
1. The students of Class Four＿＿＿＿(have) an English lesson now.
2. You may let her_______(go) back home now.
3. My sister _______(be) born in 1993. Since then, she ________(live) in this city.
We enjoy _______(read) after class.
-- What _______John _______(do) last night?
　　　　--He_______(watch) TV.
　　6. Hangzhou Bay(湾) Bridge _________(be) in service for more than a month.
　　7. –-Where is my food?
　　　　--I________just _______(eat) it.
    8．Look! The room is clean. Who _________(cleam) it?
　　9. The meeting ________(begin) in half an hour.
　　10. Look! Two bords ________(fly) in the sky.
　　二．完成对话
　　A: Oh, _______my book? It _______on the desk half an hour ago.
　　B: Is it an English book?
　　A: Yes. _________you ________it?
　　B: Yes, I have just seen it. Is this book yours?
　　A: Yes. You _______  _______ it?
　　B: Of course. It’s very interesting.
　　A: I don”t think so. I ______want to _______it any more.
　　B: Why?
　　A: Because it’s too hard for me. I can’t enjoy it.
　　B: Don’t worry. Let me help you. Let’s read together.
　　A: That’s _______. It’s very ________of you.
　　
Step 3: presentation (welcome to the unit)
   1. T:1)How do you usually go to school?
2)How does your father/mother go to work?
3) If you want to travel this holiday,  how do you want to go there?  Why?
　　　Review the five transports we have learned before: bus, taxi, plane, train,
underground。
2.T:Next, you will learn some information about the different forms of transport at different times in Hong Kong. Do you want to know them? Show the pictures of different transports. Discuss them with the Ss.        
　　　　What’s the use of it?
         Where do you usually see it?
         Is it a special one? Why?
         Which transport do you like best?
3.T:They are all good transport. And they are important for us. Now, write the correct names under the pictures. Finish Part A( Transport at different times)and check the answers.

Step 4 Games
Ask the students to think about their favourite transports,then write them on the paper. Introduce your favourite transport to the class, then let the students guess what transport it is. Show them the paper, if his answer is right.
Eg: 1)My favourite transport is the fastest way of travelling to a place far away, but it will cost you a lot of money.(a plane)
　　　2) It is like a bus , but has two floors.( a double-decker)
3)Thousands of people go to work on it every day. It is fast and it is under the ground.( the underground)
4) It is a car with a driver, and you have to pay the driver to take you somewhere. ( a taxi)
5) It travels along a fixed route and has many stops to let people on and off. It can take you to many places but does not cost you much. ( a bus)
Step 5 Exercises
　　1）Finish part B (Back to the past)      
　　Complete the timeline and check the answers.
　　2) Make a conversation like this.
　　A: When did people begin to use trains?   
　　B: People began to use them in 1909.
　　　　Trains have been in use since 1909.
　　　　
Step 6 Test
单项选择
1.—Where’s my key?
  --It was on the desk an hour ______.
A. before  B. later  C. after  D. ago
2. Mr Li has taught in this school___________.
A. since 1978  B. for 1978  C. in 1978  D. from 1978
3. All the food_______on the table now.
A. is   B. are   C. be  D. do
4. I am very tired. I don’t want to work ________.
A. no more  B. any more  C. no longer  D. not longer
5. –-Are you hungry?
   --No, I _________my lunch.
A. have  B. has  C. have had  D. will have
6. My aunt _________in America ten years ago.
A. study  B. studied  C. is studying  D. has studied
7. -- ________you ______your homework, Eddie?
   --Yes, I have.
A. Have; finished  B. Did finish  C. Are finishing  D. Do finish
8.--When did you study in France?　
　--________________.
A. Two years ago  B. for two years  C. In two years  D. Since two years
9. We have made much progress _________the help of our teacher.
A. in  B. under  C. on  D. with
10. He’s never watched such an important match,_______.
A. hasn’t he  B. has he  C. isn’t he  D. is he
11. My grandma has lived in this big city ________ten years ago.
A. in  B. for  C. since  D. after
12. --Will you please show me the map of your hometown?
　　--OK, I will ________it here next time.
　　　A. bring  B. take  C. catch  D. carry
　　　13. We have never washed our clothes ourselves________.
　　　A. ago  B.ever  C. before  D. just
　　　14. If you miss the train ,you ______take the bus.
　　　A. will have to  B. will must  C. won’t have get  D. won’t must
　　　15.—Why is he hungry now?
　　　    --________he didn’t eat anything in the morning.
　　　A. For  B. Because  C. Since  D. Because of
　　　二．句型转换
　　　1. I have found my bike.(改为否定句和疑问句)
　　　___________________________________________________
　　　___________________________________________________
　　　2. He has told the girl about this. (改为否定句和疑问句)
　　　___________________________________________________
　　　___________________________________________________
　　　3. He has studied English since 2000.(划线提问)
　　　___________________________________________________
　　　4. The old woman has lived in that country for two years. (划线提问)
　　　____________________________________________________
5. He’s never been late for class.(改为反意疑问句)
____________________________________________________
三．完成句子
1．你吃过晚饭了吗?
______________________supper?
2. 我父母已经在这个城市生活十多年了。
My parents_____________ in this city _________ ten years.
3．史密斯一家已经在中国呆多久了？
_________________the Smith _______in China?
4．自从九十年代开始，我就在学钢琴了。
I ___________the piano________the 1990s.
5．十年前我来过这里，现在这里已经改变了跟多。
I _________here ten years____________. Now the place__________ a lot.

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