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2）教学目标： 1.Master the key words and phrases.
2.Learn to talk about what you used to be like……？ .
3.Learn to make use of “used to do sth?”
3）教学重难点：1.Words and expressions in this unit .
2. How to make conversations freely using the target language.
3.Master the usage of key sentences structure.
情感目标： 1.Encourage student to communicate with others about themselves .
2. To express other changes of the past and present.
教学准备： teaching cards , pictures , a tape recorder
四、教学方法
用计算机辅助教学，以任务型教学法为主体，以小组活动，两人协作为依托。以游戏、听力、口头练习和笔头练习为载体开展教学。如果非条件允许可以借助多媒体辅助教学：形象、生动，使课堂容量相对增加，给学生提供更多的语言实践机会，有利于综合语言运用能力的提高。在本课教学过程中，在注重启发引导，培养学生分析、概括能力的同时，更注重教学方法的灵活性，通过任务型教学，情景交际，，激发学生学习兴趣，让学生乐于接受，易于接受。
五、教学过程
ProceduresTeacher activityStudent activty设计意图Step1:Leading inWarm up
(1a) T:Show two photos of the teacher?— five years ago/ now. Ask the students some questions:
What did I look like five years ago? What do I look like now?
Ss:They discuss together ,then take a try answer.
(Free to answer )
1.首先老师拿出自己五年前的照片与现在的照片，比较有什么变化，导入本课主题。既能让学生勇于表达也能调节课堂氛围。2.把学生分成俩组，比赛写描绘的词。 Game:Divide Ss into two groups ,they compete writing word to describe teacher changes just like 1aStep2:Presentation 1）New wordEg: outgoing
Funny serious Read Explain
Read and use finger write words in air 1.通过手指在空中写单词和变换队形单词接力赛，让学习单词变得有趣。Game:Relay race,which is meaning read the words one by one,and listen to teacher's orderListen
Write
(1b) T: Listen to the tape two times complete 1b
Ss:They can discuss together ,according to the 1a above, comparing with 1b .2.首先让学生听录音完成1b的内容，再与1a部分学生自己给出的答案做比较。最后，老师解释句型，拓展对话中的语法点并带读。Check the answers and read together.2.Explain each phases ,especially the sentence structure
“Sb used to be sth ”
“be afraid of sth” “in front of”” worry about sb/sth “ Pair work
(1c)T: According to the person in the picture .Let's play a game ,I'll throw this ball to you with a question.Ss:Catch the ball and answer the questions, imitate the example.3.这部分Pair work重点是句型运用，故语法点简单带过，而通过游戏争取让每个学生都能用英语表达出课文的重点句型。
Game:Run Ball.who get the ball should answer the questions about the difference changes in the picture ,just like the example sentences4)
Listen Check Match
(2a+2b)T:Listen to the tape twice times and finish the questions of2a and 2c.Then we'll check the answers together
“Questions Contest”