初中英语牛津译林版八年级下册Grammar多媒体教学课件ppt

Unit 1 Past and present

Reading 2

1. To grasp some useful expressions and understand the new tense-Present perfect tense;

2. To retell the main idea of the text；

To get more detailed information about the changes to the town and understand the new tense-Present perfect tense. 

Step 1  Pre-checking.

Translate the phrases

Ask some students to give us the answers and then correct;Ask them to read together.

B.预习交流作业（见学案）

   小组核对-----集体校对-----质疑交流

C.Further understanding the text.

   Ask and answer.

Who is Mr Chen?

(He is Daniel's grandpa who lived in Sunshine Town before.)

What do you know about Mr Chen?

(He got married in 1965.Then he and his wife moved to another flat in the center of town. Lase Last year, they moved again. Now, he often meets his friends in the park.He feels a bit lonely from time to time.)

What was in Sunshine Town in the past?

(There was some small restaurants,shops and market stalls. There was also a small post office and an old cinema.)

How many people lived there in the past?(30,000 people.) What is the town centre now?(It's a park. )

What does Mr Chen do in the park?(He meets his friends to play cards and Chinese chess.)

Why is there less water pollution than before?(Because the government has took taken action to reduce the pollution. )

Step 2  Presentation

A. Present perfect tense:

 ①概念:

  动词结构：have/has+动词的过去分词

  基本用法：表示这个动作发生在不确定的过去时间并对现在有影响。

  拓展延伸：在现在完成时态中，常连用的副词有already, yet, just, before, ever, never, recently，等以及 for和since引导的时间短语。

②let students find some model sentences in comic strip and in the interview.

  eg. I've just eaten it.

Have you ever moved house?

 ③Practising:

  Take out your paper to finish exercises in Part Two A

B.Explain some useful expressions and patterns

 ①used to do/be ；过去常常做－/是――  

 ② get married to sb = marry sb . 与某人结婚。

 ③until 直到――   not ---until 直到――才――

 ④change a lot 

⑤. turn into –变成 Water turns into ice when it freezes            

Step 3  Practise

Activity: work in pairs

Finish the exercises on page 11 in School book and then correct.

Step 4  Sum up

Get more detailed information about the changes to the town

Understand the use of some words,phrases and patterns through the text.

Do the exercise（导学案当堂反馈）