Unit 4 Road safety Grammar time, Checkout time & Ticking time（课件)译林版（三起）英语六年级下册

译林版·六年级下册 Unit 4 Road safety Grammar time, Checkout time & Ticking time Cool policeman 教师将全班学生分为成两组，每组推选一名“警察”， 两组组员任意就行路安全知识进行提问，两个“警察”做判断，回答又快又正确的“警察”获胜。 Can I play football on the road? No, you mustn’t. Review the passage How can you cross roads safely? What must we do to cross the road safely? What mustn’t we do on the road? Work in groups: Look at the mind-map and share your ideas about the passage! Road safety mustn’t run or play cross the road on the road at the zebra crossing no zebra crossing look at… wait for… wait on the… look out for… first… then… and then… again cross the road with… Follow the rules and stay safe! at the zebra crossing look at… wait for… We must look for a zebra crossing. At the zebra crossing, we must look at the traffic lights. We must wait for the green man. Read the sentences in the form: 理解must, mustn’t, can和can’t/cannot 的含义以及基本用法。 Grammar time How can you cross the road safely ? What must not do on the road You must look for a zebra crossing . look at the traffic lights mustn’t play football on the road run on the road 情态动词 情态动词+动词原形 You must look for a zebra crossing. You must look at the traffic lights. You mustn’t play football on the road. You mustn’t run on the road. mustn’t= must not 禁止 You can wait on the pavement . cross the road with other people can’t cross the road here cannot find a zebra crossing Let’s review these. can’t= cannot 不能 表示不允许 表示没能 都是情态动词,后接动词原形,没有人称和数的变化。 must 必须 can 可以；能 情态动词must/can/should的用法 should 应该 Read and say: Which has the strongest tone（语气）? Which has the weakest tone? Which means permission（允许）? You must go now, or you will be late! You can go now, or you will be late! “Must” has the strongest tone. “Should” has the weakest tone. “Can” means “permission”. You should go now, or you will be late! must意为“必须”,语气最强，表示命令或权威；其否定形式是mustn’t，意为“禁止”。 You must get here on time. 你必须准时到达这儿。(语气最强) must/mustn’t can意为“可以；能；会”，表示许可，也表示能力或可能；其否定形式是cannot，也可缩写为can’t。 can/can’t You can