（新世纪版）二年级英语下册教案Unit 7 No smoking一、Teaching Aims:1. Basic aims:To learn how to express the negative sentences: Dont shout Dont paintDont touch. Dont feed. (2) To use the verbs pupils learned before to practice the sentences. ( Dont eat in the classroom. Dont drink in the reading room.)2. Developing aims:(1)Acrroding to the situation to make a short dialogue二、Teaching aids: slides pictures a tape recorder三、Teaching procedure:Step 1Pre-task preparationSay the rhyme: Walk and RunReview the new wordsStep 2. While-task procedureTo learn “Dont shout”出示幻灯Mike在剧场中叫喊T: Where is Mike? S: Hes in the Grand Theatre.T: Can he shout? S: No. (指着禁止标志)T: Yes. Look over there. Theres a sign on the wall.Learn the sentence: Look over there. Theres a sign.T: Whats the sign meaning? Dont shout.Learn the sentence: Dont shout.Practice: A: Look over there. Theres a signB: Dont shout.To learn “Dont feed.”出示动物园长颈鹿的幻灯T: Whats this sign meaning? S: Dont feed.T: Dont feed the giraffe. Learn this sentence: Dont feed the giraffe.Practice: (出示动物园里各种动物的图片)S: Dont feed the panda. Dont feed the monkey. Dont feed the fox.The same way to learn the other pictures.Dont paint on the wall. (2) Dont touch.Step 3. Post-task activity Use the sentences: Dont swim here. Dont pick flowers. Dont walk on the grass. Dont drink in the classroom. 让学生创设情景表演小对话。A: Look, the flower is beautiful. Ill pick it.B: Look over there. Theres a sign. Dont pick the flower.A: I am sorry.