Teaching procedures:

Procedures Teaching activities Purpose Step 1: lead-in

Memory challenge.

Give two pictures which B picture is missing some things. Memorize the missing things' positions. Arouse their interests about preposition of things and brisk the class atmosphere. Step2:

New words Show the picture of things on the screen but hide half of them. Make the students look it and verify the words.

Teach the new words: bookcase, sofa, dresser, drawer.etc Make students build a relationship with previous knowledge, help them use it flexibly,make them have a satisfaction of autonomous learning. Step3:

New sentences 1)Present the key sentence patterns by using box, ball and erasers.

2)Practice the key sentence patterns by pictures. Remove students'visual sense, deepen the impression of the new sentences. Step4 ：

Work in pairs Ss practice the new words and new sentences according to the pictures in PPT. Students practice how to use these sentence patterns in pairs in order to develope ss'collaborate ability. Step5：

Group working 1)Find the differences

2)Guessing game 1)Have a clear understanding of the position and the furnitures.

2)Improve the students' communicative ability and practice how to ask questions about positions. Step 6 ：

Summary Summarize what students have learnt in this lesson.(ss summarize it first, teacher systematize the whole class knowledge. Improve students' confidence and make them have a systematized understanding.