2. Brain storm. Review all the words by saying quickly.

　　Step 3: Learn Prepositions (3-5min)

1. Summary the usage of "in、on、under and behind".

2. Practice them.

　　Step5: Ask and Answer (8-10min)

　　1. Do some pair work and performance.

2. Give some pictures and get all the students to practice the main structures in pairs or in groups.

　　3. Group work

　　Step 6 Listening and Exercise

　　Step 7 Writing Practice

　　 Look at the picture and write sentences to describe the position of the things.

　　Step 8 Exercises.

　　Step 9 Summary

　　　　A: Where's my schoolbag?

　　　　B: It's under the table.

　　　　A: Where are my books？

　　　　B：They're in the bookcase

V. Blackboard writing

Unit 4 Where's my schoolbag?

　　　chair A: Where's my schoolbag?

　　　sofa B: It's under the table.

　　　bed

　　　table A: Where are my books？

　　　bookcase B：They're in the bookcase.

VI. Teaching Reflection：

本节课主要学习where问句和回答以及in, on, under 和behind四个介词。本节课重难点也是where questions和四个介词。本节课的过程较为流畅。优点是：在整个教学过程中，教师充当了学生学习的引路人、组织者，充分体现