1、Unit 3 We should obey the rules. Lesson 17 Lets chant Warm-up Lead-in You should/You shouldnt Review Lead-in What do you think of them? Do they obey the rules? Presentation Look at the picture and discuss. Presentation Just talk Presentation must mustnt V.原形原形 must not Presentation must mustnt shoul
2、d shouldnt 应该应该 不应该不应该 必须必须 禁止禁止 Just talk You mustnt _ the street now. Practice cross Practice Just talk You mustnt _ on the ground. spit Just talk Practice You mustnt _ the flowers. You must _ the grass. keep off pick Just talk Practice You must _ young children. You mustnt _. litter take good car
3、e of Practice You must keep off the grass. Practice You _ cross the street now. You _ wait for the green light. You _ pick the flowers. You _ spit on the ground. You _ litter. You _ keep off the grass. You _ take good care of young children. must mustnt must mustnt mustnt mustnt mustnt must must Summary 如何表达必须和禁止做某事？如何表达必须和禁止做某事？ You must/mustnt 例如：例如： You must keep off the grass. You mustnt pick the flowers. 1. 观看课文动画，按照正确的语音、语调观看课文动画，按照正确的语音、语调 朗读朗读课文。课文。 2 . 在公共场所必须做和禁止做哪些事情？在公共场所必须做和禁止做哪些事情？ 请列出一个清单请列出一个清单。 3 . 预习预习Lesson18。 Homework close
