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课件网) Unit 6 Electricity Everywhere 下 （沪教2025版）七年级 Grammar 1 3 Presentation Practice 5 Production 7 Summary 2 4 6 8 Learning objectives Lead in Assessment Homework By the end of the lesson, I will be able to... 1 2 Learning objectives 00 3 understand and master the usages of modal verbs:can and cannot, may and may not, must and must not; can talk with my partner about what my robot can do; can write and speak sentences with can and cannot, may and may not, must and must not; Lead in 01 Can robots dance Let's enjoy a short video clip. Lead in 01 Q: What can you see Q: Who do you think can save the world ” Free talk Lead in 01 Lead in 01 It's lightning outside. Daisy and her brother Benny are at home. Daisy is telling her brother Benny about her science lesson. Daisy Benny Read the dialogue and pay attention to the words in bold. 02 Presentation 02 It was great. We learnt about electricity in our science class. Yes, of course. But you must give it back to me because it's my favourite ruler! How was your school day, Daisy Daisy Benny Can you tell me what you know about electricity We can't see it powering everyday things but we can see it when there is a lightning storm. Right. Mum told me we mustn't go outdoors during a storm. It's dangerous. Yes, that's right. However, you can produce electricity safely by rubbing a ruler against your sweater. Look at me! Wow. That's fun! May I try Listen again and pay attention to the words in red. 02 Presentation 02 It was great. We learnt about electricity in our science class. Yes, of course. But you must give it back to me because it's my favourite ruler! How was your school day, Daisy Can you tell me what you know about electricity We can't see it powering everyday things but we can see it when there is a lightning storm. Right. Mum told me we mustn't go outdoors during a storm. It's dangerous. Yes, that's right. However, you can produce electricity safely by rubbing a ruler against your sweater. Look at me! Wow. That's fun! May I try Please summarize the modal verbs in this dialogue. can，can't，must，mustn't，may can and cannot, may and may not, must and must not 02 Presentation 02 Modal verbs can be used to talk about ability, permission, obligation, etc. Modal verbs 情态动词 obligation n. 义务，责任 [ bl ɡe ( )n] permission n. 同意；许可 [p m ( )n] ability n. 能力；才能；本领 [ b l ti] Modal verbs 02 Presentation 02 情态动词不能独立作谓语，必须和其他动词一起构成谓语。没有人称和数的变化，后面必须跟动词原形。 Let's sum up the rules! After modal verbs such as can, may and must, we use the base form of a verb. We use can and cannot (can't) to say we are able or unable to do something. We use may and may not to ask for, give and refuse permission. In less formal situations, some people like to use can and cannot (can't) for the same purpose. We use must and must not (mustn't) to tell people what to do or what not to do. 02 Presentation 02 ... ...
