Unit7 Grammar 课件2022-2023学年牛津译林版七年级英语下册

Unit7 Abilities Grammar Task 1 Express our ability(能力) What can you do now? I can swim now. I could swim . ten years ago What can she do now? She can go riding She could go riding . ten years ago now. (合作探究）Find some rules! 结合课本P122 找can/could用法 我们可以用can/could（能、会）来表示能力 can表示现在的能力；could表示过去的能力 2 Take turns to ask and answer questions using “can” or“could”. 1.____ you speak English now? 2._______ you play the piano last year? 3._______ you cook now? 4._______ you use a computer when you were 3? 5._______ you ride a bicycle when you were very younger? Can Could Can Could Could What can he do now? He can play basketball now. He is able to play basketball now. He was able to play basketball ten years ago. What can they do now? They are able to ride a bike now. They were able to ride a bike ten years ago. (合作探究）Find some rules! 课本P122 找be able to 用法 我们也可以用 be able to（能、会）来表示能力 am/is/are表示现在的能力 was/were表示过去的能力 4 can 用于一般现在时，表现在的能力。 could用于一般过去时,表过去的能力。 3.can/could是情态动词没有人称变化4.can/could+V-原形 5.can则强调自身已具有的能力 can/could可表示能力 1.Be able to用于多种时态表能力. 2.be动词的形式根据句子所用时态变化 am/is/are able to表示现在的能力 was/were able to表示过去的能力 3.be able to do （v-原形）sth. 4.be able to 强调通过努力而获得的能力 找出can/could与be able to的相同点和不同点 be able to可表示能力 5 (用can/could 或者be able to的正确形式填空） She_______ able to write words at 3 years old. I _________dance at all. It is difficult for me. She____________swim in the past. But now she can. 4. 5. My sister___________walk because she is six months old. Exercises was can’t couldn’t will be can’t We _______ able to enter a good high school in 2025. 6 点此替换文本 Task 2 Ask for permission(请求) -Can I borrow your car? - Sorry, I’m afraid you can’t. - Of course, you can. Daniel wants to borrow a car from his friend. Daniel wants to borrow money from his mother. -Could you borrow me some money, mum? - Sorry, I’m afraid you can’t.（否定回答） 只能