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1.听说读单词then and now ,e-book, mobile phone, newspaper, radio, telephone, e-friend, anywhere, could，并能运用于语句中。

2.掌握动词过去式的发音及用法，会说…years ago,…could/ could not…Now,…

3.能正确地理解并朗读对话内容，在教师的引导和帮助下尝试复述课文内容。

4.通过过去和现在的对比，感受个人的成长和社会的进步。

重

点

能正确地理解并朗读对话内容，在教师的引导和帮助下尝试复述课文内容

难

点

能正确使用一般过去时和一般现在时表达过去和现在的事情。

教具

学具

准备

光盘单词卡片，课文图片，PPT

教

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教

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Step 1. Warming up

1.T: Do you know the song?  

S: Where is time going?

T: Yes, time flies quickly. We are growing up, and the things around us are changing. We know,  the world is changing.

2. T: Then what is changing?  Do you have your idea?

Step2. New learning

A.

1. T: Perfect. I like your ideas. Now I’ll show you a family. Do you know them? Who is he/ she? ( Mike, Mr Brown, Mrs Brown, Mike’s grandpa)

2. Then, how about this boy? Yes, this is Mike six years/ Mr Brown twenty years ago/ Mrs Brown twenty years ago/ Mike’s grandpa thirty years ago.

T: （总结）The time before, we can use this word: Then. ( what does it mean?)

T: Today, we are going to learn Unit 4, Then and now.

T: SO ,can you say sth. about Mike’s family?  （对比说，is/are, was/were）

T: They have changed a lot. And this lesson, we’ll know more about the changes of Mike’s family.

B.

1. (图) This boy, he is Mike. Now, he is a young boy. And he can do many things now. Let’s guess, what can he do?

（图）T: Could Mike do all these things six years ago?  What could he do? （读could）I give you two fist letters here. Can you guess?  What couldn’t he do?

T: So, six years ago, Mike could read….. but he …（师生一起读文本）

T: Can you describe little Mike six years ago and young Mike now?

总结：In fact, everyone is changing everyday( the changes of people), What they look like is changing(appearance) , and what they can do is changing, too(ability).

3. T: And we know, as we people are changing everyday, our life is changing, too. Now let’s listen to the tape, and try to catch: what they did then and what they do now. And remember to tick them quickly.  After learning let’s check.

4. look at Mr Brown. This is Mr Brown twenty years ago. And This is Mr Brown now.

What did he do then and what does he do now?  

(1)Read the paragraph quickly, and try to find out the communicate tools.

(2)read the four words. T: They are needed when we want to contact others. So ,which one do you like? And Why?

(3) How about Mr Green? What did he use twenty years ago? （match: wrote letters, used the telephone） How about now? ( match: writes e-mails, uses the mobile phone)

T: Let’s imagine where he did or does these things. Where did he wrote letters/ use the telephone/ write e-mails/ uses the mobile phone?

(4) T: Let’s read this paragraph together. Now, try to describe Mr Brown.（学生复述）

（总结）T: Then and now, the way to contact people is changing .

5. T: look at the pictures, do you remember her? —Mrs Brown  Let’s see what changes have happened on her.

(1) T: What is she doing in the picture?

(2) T: Are you right? Read it please. (解释e-friends)  So maybe she is doing some shopping or chat with her e-friends on the Interenet.

(3)And this is the picture of her twenty years ago. Then she was a schoolgirl. Where did she make friends? And where did she buy things?

(4) Read the text with your partners.

(5) T: Let’s try to fill in the table , OK? 根据表格说一遍。

（总结：It tells us the way to ______ and the way to _______. And the ways are changing now.）

6. (1)T: And besides these, the way to get news is changing now.

    How do you get news, boys and girls?  ( I get news from_______. )

(2) T: How did Mike’s grandpa get news thirty years ago, and how about now?

   T: First, let’s look at the two pictures. Watch carefully and try to find the difference.

(3) Read the text together, and try to retell it.

7. Read the whole text together.

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