Unit 7 Foods and Drinks(Language)

unit 7 foods and drinks(language) 
教学目标 1. 让学生能掌握现在完成时的基本意义及形式。
2. 帮助学生了解现在完成时中出现的副词：already and yet；ever and never; since and for; 的用法及区别。
3. 能在练习中较好地运用现在完成时。

教材分析 

重点和难点 1． 掌握现在完成时的基本意义及形式
2． 副词：already and yet；ever and never; since and for; 的用法及区别。
3． 过去分词的构成。
教具准备
教学过程 
step 1. leading-in
guessing game, language a1. show the picture to the ss, ask them to listen carefully and try to find out what it is.

step 2. revision(3mins)
review what we have learned yesterday.
     ask ss some questions using the present prefect tense.let them answer the questions in whole sentences.
e.g. t：“have you had breakfast?”
    s：“yes, i have .” /  “no,l haven’t.”

step 3. learning and practice(30mins)
1.already and yet (10mins)