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课件网) Do not/No _____. Quick response It means ... What does that sign mean Let’s talk Lead in What can you learn from the video New phrases river We should keep the rivers clean keep the rivers clean. air keep the air clean and fresh We should keep the air clean and fresh. tree trees plant more trees We should plant more trees. use bikes instead of cars We should use bikes instead of cars. keep the rivers clean keep the air clean and fresh B Let’s Learn plant more trees use bikes instead of cars keep the rivers clean keep the air clean and fresh plant more trees use bikes instead of cars Quick response What shouldn’t we do shouldn’t = should not shouldn’t kill wild animals shouldn’t waste water shouldn’t litter Choose and say We shouldn’t ... Look and say. A Let’s Listen and Say 1. What’s the girl doing 2. Can you find anything wrong Let’s circle. She is washing her clothes. Watch and answer. A Let’s Listen and Say 1. What’s the girl doing 2. Is there enough water on the earth She is washing her blouse. No, there isn’t. Read and find the sentences with “shouldn’t”. We shouldn’t waste water. Why Read and underline the answers. A Let’s Listen and Say Read and underline the answers. A Let’s Listen and Say You need water. Everyone needs water. I’m sorry, Mum. There isn’t enough water on the earth. What are you doing, dear I’m washing my blouse. Listen and repeat We shouldn’t waste water. Why You need water. Everyone needs water. I’m sorry, Mum. There isn’t enough water on the earth. I see. We must save every drop of water. a 1of water 一滴水 drop a few drops of water 几滴水 We must save every drop of water. every drop of water 每滴水 1. We shouldn’t waste water. 我们不应该浪费水。 此句常用来表达“不应该做某事”。 shouldn’t=should not，表示“不应该”。 其肯定形式为should，后接动词原形。 例句：We shouldn’t eat too many candies. Sentences 2. There isn’t enough water on the earth. 地球上没有足够的水。 enough意为“足够的”，当修饰形容词时，enough放在形容词之后；当修饰名词时，enough放在名词之前。 e.g. 我有足够的时间运动。 I have enough time to play sports. Watch and imitate What are you doing, dear I’m washing my blouse. Role play We shouldn’t waste water. Why You need water. Everyone needs water. I’m sorry, Mum. There isn’t enough water on the earth. I see. We must save every drop of water. Wait, Dad. Can you go to work on foot Make a dialogue 情景：爸爸上班很近，但是每天开车去上班，你劝 爸爸少开车，保护空气。 I’m going to work now! Why It’s just 7:00 a.m. You can go to work on foot. We should walk instead of driving cars. I see. You’re right. We should keep the air clean and fresh. OK, I’m going to work on foot today. Magic show We should ... We shouldn’t ... 一、 补全单词。 （ ）1. w te（浪费） A. as B. sa C. az （ ）2. en （足够的）A. oufe B. ough C. ouph （ ）3. fr （新鲜的） A. esh B. ech C. ash （ ）4. d p（一滴） A. ra B. or C. ro A B A C Exercises ( ... ...
