I.Teaching material
　　Position and content：
　　The first period of Unit 11 ，which is about the usage of the simple past tense .The tense is the basis of the whole unit .
　　II. Teaching aims
　　1.Understand some phrases of this unit：
　　go for a walk ， ride a horse ， milk a cow ，etc correctly ;
　　2.Master the simple past tense and its rules ;
　　3.Try to remember irregular verbs ;
　　4.Try to describe the past .
　　III.Teaching key points
　　The usage of the simple past tense .
　　IV. Teaching difficulties
　　How to use the simple past tense .
　　VI. Teaching process
　　Step 1.  Revision
　　What do you do on your weekend ？
　　I usually （do my homework/go shopping...）
　　Step 2. Leading in
　　（1）. Play the song 《Old Macdonald  Had a Farm》 to lead into the place----on the farm ;
　　（2）. New words and phrases
　　go for a walk     milk a cow    ride a horse
　　Feed chickens    talk with a farmer   take some photos
　　Step 3. Presentation
　　According to Carol and her friends’ activities last week ，know about the simple past tense.
　　A.含義 ：表示过去某一时刻发生的动作或存在的状态;表示过去某一时间段经常或反复发生的动作。
　　B.用法：动词变为过去式。
　　C.动词过去式的变化：规则变化和不规则变化。
　　Step4. Practice
　　A. Work on 1a
　　Match the phrases with the pictures.
　　（1）.went for a walk      e
　　（2）.milked a cow     b
　　（3）.rode a horse     a
　　（4）.fed chickens      c
　　（5）.talked with a farmer     f
　　（6）.took some photos     d
　　B. Listening （Work on 1b ）
　　C. Do exercises to understand what we have learnt this lesson.
　　Step 5.  Summary
　　Let Ss summarize about the simple past tense.
　　Step 6.  Homework
　　A.Remember the irregular verbs in this lesson.
　　B.Tell your family what you did at school.