教学案例Unit 2 I used to be afraid of the dark. (Period 1)教学目标1.Knowledge Objects(1)Key Vocabulary：used to, dark(2)Target Language2. Ability Objects(1) Train students listening skill.(2) Train students communicative competence.3.Moral ObjectDont judge a person by his appearance.教学重难点1.Teaching Key PointsThe structure: used to2. Teaching Difficult PointThe structure: used to教学过程Step Revision (1) Check the homework exercises. (2) Ask some individual students their ways of learning English. Step 1aThe activity introduces tile key vocabulary. Call students attention to the chart with the headlines Appearance and Personality.Get students to fill in the chart individually.Check the answers by asking different students to read their lists to the class.Step 1bThe activity gives students practice in understanding the target language in spoken conversation.Write two dates side by side on the blackboard. The first is todays date, including the year, and the second is the same day, but ten years ago.Ask a student to stand up. Use words or phrases to describe that student now. Ask students to suggest words Or phrases that describe him/her ten years ago.Play the recording for the first time. Students only listen.Play the recording again. This time, students listen and fill in the blanks.Check the answers. Step 1cThis activity provides oral practice using the target language.Read the instructions to the class.Call students attention to the conversation in the box. Invite a pair of students to read it to the class.Say, look at the picture in Activity 1b.Have a conversation with a partner about people in the picture. Talk about how the People look now and how they used to look.As students work, listen in on various pairs checking progress and helping with pronunciation as needed.After students have had a chance to practice several exchanges, ask pairs to come the front of the room and act out their conversations.Step SummarySay, In this class, weve learned the key vocabulary words used to and dark. And weve also learned the target language Mario used to be short. Yes, he did. Now hes tallStep HomeworkStudents may collect pictures and information of the person they like best.Then write a passage about the person.