Lesson 99 教学设计方案

　　Lesson 99 教学设计方案

　　　　Teaching Objectives:

　　　　Be able to distinguish the usages between the Simple Past Tense and the Past Continuous Tense.

　　　　Language focus:

　　　　The different points between the Simple Past Tense and the Past Continuous Tense.

　　　　The Simple Past Tense is used to refer to events that happened in the past.

　　　　The Past Continuous Tense is used to refer to events that happened at a particular, specific time in the past.

　　　　Properties: Overhead projector, Pictures, 在教室一角布置一个"交通事故现场"。

　　　　Teaching procedures:

　　　　Step 1 Revision

　　　　1. Call students to tell the story learnt the day before.

　　　　2. Dictate some words: cause, accident, comer, suddenly, shout, land, luckily, gatekeeper, crowd, hurry, police, medicine, choose, traffic, motorbike, carry, quickly, fast, move

　　　　3. To read some traffic signs.

　　　　Step 2 Read and answer

　　　　Say Yesterday we learnt about a traffic accident. In the accident, there was a man who got hurt. He was taken to hospital. But after a while, policemen came. Let's see what happened after that.

　　　　Let the students imagine they are the children. Try to answer the policemen's questions on page 123 Ex 1 in the workbook.

　　　　Get the students to act out the story.

　　　　要求学生四、五人就近一组。其中一位同学扮演警察，手持一个"记录本"；其他同学以"见证人"的身份向"警察"纷纷叙述事故发生的经过。四、五分钟以后，请两个大组到布置好的地点去表演。

　　　　教师也可考虑将学生分为若干个小组，分别扮演以下角色和准备以下内容：

　　　　l）李磊叙述事情经过；2）看门人叙述事情经过；3）赵老师叙述事情经过；4）骑摩托车人叙述事情经过。

　　　　以下提示供教师备课时参考：（可用投影形式展示）

　　　　角色1 (Li Lei) left school and saw a bag fall off a truck? shouted to the driver, but the driver did not hear; a man on a motorbike hit the bag and fell off; came up to help, asked the girl students to stop the traffic; helped to carry the man to the gate keeper's room, went to find Miss Zhao

　　　　角色2 (the gate keeper) heard the children shouting outside the school gate; went out to see what happened; saw two boy students carry a man; asked the people not to crowd around the man? asked Li Lei to find a teacher? moved the bag of rice away with Lin Tao

　　　　角色3 (the man on the motorbike) rode too fast that day; saw the bag, but too late; had an accident and fell off; hurt, could not move; two boys came to help; a teacher came with a medicine box; took me to a hospital

　　　　角色4（(Miss Zhao) reading a book at the library; Li Lei ran in and looked worried; told me about the accident; asked Li Lei to telephone the police; went to find a medicine box; quickly ran to the gatekeeper's room

　　　　Step 3 Presentation

　　　　Ask a student to come and perform an action at the front of the class. (e.g. sweeping the floor)

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　　　　Ask What is he/she doing?

　　　　Then invite another student to come an perform a different activity (e.g. cleaning the blackboard) at the same time as the first student is sweeping the floor.

　　　　Say: The girl is sweeping the floor while the boy is cleaning the blackboard.

　　　　Explain while=during the time that something is happening.

　　　　Divide the class into two groups. Tell one group to mime writing. Tell the other group to mime reading. Say Group A is writing while Group B is reading.

　　　　Get the students to practise this sentence as they mime.

　　　　Step 4 Practice

　　　　Do the first sentence with the students, making sure they understand what to do.

　　　　Then let the students work alone, check the answer with the class.

　　　　Explain the difference between the Simple Past Tense and the Past Continuous Tense.

　　　　Step 5 Exercise in class

　　　　Fill in the blanks with the Simple Past Tense or the Past Continuous Tense.

　　　　1.When I ________(arrive) at the meeting, the headmaster had just finished her speaking and the students _________(clap).

　　　　2.When I_________(hear)his knock, I________(go)to the door and________(open)it, but I ________(not recognize) him at first, because I________(not wear) my glasses.

　　　　3. When he _________(get) into the bus, it ________( start) suddenly and he ________(fall) backwards on to the road.

　　　　4.When I _________ ( cross) the road, I ________ ( step) on a banana skin and ________ ( fall) heavily.

　　　　5. The boys _________ ( play) cards when they ________ ( hear) their father's steps. They immediately________(hide) the card and________(take) out their lesson books.

　　　　Keys: 1.arrived, were clapping

　　　　　2.heard, went, opened ,didn't recognize, wasn't wearing

　　　　　3.was getting, started, fell

　　　　　4.was crossing, stepped, fell

　　　　　5.were playing, heard, hid, took

　　　　Step 6 Homework

　　　　1. Write about a traffic accident.

　　　　2. Preview next lesson.

　　　　3. Do exercises on page 123. Finish off the workbook exercises.

　　　　Writing on blackboard

　　Lesson 99

　　Answer the policeman's questions.

　　1. When did you see the accident?

　　2. Where did the accident happen?

　　3. What happened to the man?

　　4. Where did the bag come from?

　　5. Did anyone else see the accident?

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