约3690字。

　　Unit 5 It must belong to Carla.
　　Ⅰ. Analysis of the Teaching Material
　　1.Status and Function
　　The topic of this unit is a picnic, In this unit, students learn to make inferences.
　　Such topic is helpful to activate students' imagination and improve students' ability to deduce. Either less or more advanced students will be active in the activities in class. So it's useful to improve students' spoken English and communicative competence.
　　(1) The first period mainly introduces the key vocabulary and the target language to students. Through listening and oral practice, students have a brief understanding of how to make inferences.
　　(2)In the second period, students learn the exact meanings of the words must, might, could and can't.Meanwhile, students practice listening and writing the target language.
　　(3) When reading an article, students can't help meeting with some new words. In the third period, students are asked to practise using the target language by talking about the new words, It's helpful to arouse students' learning interest and improve students' listening and speaking skills.
　　(4) The fourth period gives students further listening and oral practice using the target language by talking about an alien is chasing a man.In this class, students have a better understanding of the words must, might, could and can't.
　　(5) In the fifth period, students learn more vocabulary words first, and then practice reading and writing the target language. All the activities are designed to improve students' reading and writing skills.
　　(6)In the last period, students learn a lot of proverbs. Proverbs are full of truth and advice. Students will benefit a lot in this class.
　　2. Teaching Aims and Demands
　　(1) Knowledge Objects
　　In this unit, students learn to make inferences using the words must, might, could and can't.
　　(2) Ability Objects
　　To train students' listening, speaking, reading and writing skills.To train students' ability to deduce.
　　(3) Moral Objects
　　When you are on a picnic, remember to bring litter back to r environment clean and tidy.We'll benefit a lot by learning proverbs.
　　3. Teaching Key Points
　　To learn the key vocabulary words and the target language.
　　To learn to make inferences using the words must, might, could and can't.
　　4. Teaching Difficult Points
　　To train students' listening, speaking, reading and writing skills.
　　To enable students to grasp the usage of must, might, could and can't.
　　5. Studying Way
　　Teach students how to make inferences using must, might, could and can't.
　　Ⅱ. Language Function
　　Make inferences
　　Ⅲ. Target Language
　　Whose volleyball is this
　　It must be Carla's.