Unit 4 Then and now

(Period 2)

一、教学内容：Grammar time

二、教学目标：

1. 能够理解并掌握动词过去式的不规则变化及读音。

2. 学生能运用句型…….years ago, I was/ I could (not)/ didn’t……

3. 在真实情境中，用所学知识正确比较过去与现在。

三、教学重点和难点：

1. 教学重点：了解掌握动词过去式的转换方式和运用。

2. 教学难点：运用文中所学的句型等，准确表达出自己的过去和现在。

四、教学准备：

单词卡片，PPT

课件、学生自己以前和现在的照片

五、教学过程：

Step 1 Preparation

1. Free talk

T: What did you do yesterday /last weekend?

S:…

T:What do you often do at weekends？

S:…

2. Act and say

T: What did I do just now?

S: You listened to music just now.

Step 2 Presentation & Practice

1. Think and say

T: Think about the changes of Mike’s family and finish the table.

2. Read and learn

   T: Look at the pictures and learn the words.

an e-book                       a mobile phone               a newspaper

a radio                       a telephone                         a TV

3. Try to use

  T: Look at this short passage, use the new words to fill in the blanks.

Twenty years ago, my mother used the       at home. She couldn’t call people anywhere. Now she has a              .It is easy to take .My father listened to the        and read              for news in the past ,but now he usually watches news on the Internet .Sometimes he reads newspaper .He also reads          .For me ,ten years ago ,I watched          at weekends, now I like playing  computer games when I’m free . It’s fun.

Grammar time : Make sentences

T: There are three types of cards in my hand. They are “When”, “Who” and “What”. We need to put these three arbitrary combined into a sentence.

E.g.:   

S1: twenty years ago

S2: Mr. Brown

S3: write letters to his friends

S4: Twenty years ago, Mr. Brown wrote letters to his friends.

Grammar time: Read and find

(1)Read the sentences with verbs：

(2)Ask the students to underline the verbs

(3) Ask the students to underline the subjects

Rule：In the past tense, verbs don’t change with subjects.

Step 3 Homework

1、基础作业：背熟并默写语法部分的句子及不规则动词过去式；完成《课课练》第二课时P20、P21。

 2、拓展作业：背熟ST，尝试复述故事内容；尝试介绍自己的过去和现在。

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