1、Unit 4 Then and now 教学设计 1一、教学目标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 notNow,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。二、教学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三、教学难点能正确使用一般
2、过去时和一般现在时表达过去和现在的事情。四、教具学具准备光盘单词卡片，课文图片，PPT五、教学过程Step 1. Warming up1.T: 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 learningA.1. T: Perfect. I like your ideas. Now Ill show
3、 you a family. Do you know them? Who is he/ she? ( Mike, Mr Brown, Mrs Brown, Mikes grandpa)2. Then, how about this boy? Yes, this is Mike six years/ Mr Brown twenty years ago/ Mrs Brown twenty years ago/ Mikes grandpa thirty years ago. T: （总结）The time before, we can use this word: Then. ( what does
4、 it mean?)T: Today, we are going to learn Unit 4, Then and now.T: SO ,can you say sth. about Mikes family? （对比说，is/are, was/were）T: They have changed a lot. And this lesson, well know more about the changes of Mikes family.B.1. (图) This boy, he is Mike. Now, he is a young boy. And he can do many thi
5、ngs now. Lets 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 couldnt 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
6、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 lets listen to the tape, and try to catch: what
7、they did then and what they do now. And remember to tick them quickly. After learning lets 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)r
8、ead 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: Lets imagine where he did or
9、 does these things. Where did he wrote letters/ use the telephone/ write e-mails/ uses the mobile phone?(4) T: Lets 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 Brow
10、n Lets 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. Whe
11、re did she make friends? And where did she buy things?(4) Read the text with your partners. (5) T: Lets 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.）7. Read the whole text together.8.T: What do you think? You can discuss in group
12、s first.Ss: Their life is(colourful, cool , modern, happy) ,becauseStep3.PractiseT: This time, lets work in 4. Each one chooses a part to read. Then use the phrases on the blackboard to make a report about your part.(分组练习朗读，然后四人一小组，上台借助板书进行反馈)。Step4 Homework1.Listen and read Story time.2.Retell Story time on P383.Bring two photos and think of the changes between two photos on P40.
