Unit 5 AbilitiesGrammarA. Using “can”/ “could” to talk about abilitywe use “can” to say that we are able to do something now.we use “could” to say that we were able to do something in the past.eg: I can (cannot /can’t /can not ) swim. What about you? He could (couldn’t /could not) dance in the past. What about you ?Make sentences like this. 1.Ask and answer questions about ability like this: 1.Can…run? Yes,…can. No,…cannot/can’t. 2.Could…swim in the past? Yes, …could. No, …could not/could not.Complete the conversation on Page83. Use the table in Part A1 on Page 82 to help you.Take turns to ask and answer questions using “can” or “could”.Try to make dialogues in pairs.1.____ you speak Japanese ?2._______ you play the piano last year?3._______ you cook?4._______ you use a computer when you were 3?5._______ you ride a bicycle when you were very young?6._______ you understand English TV programmes in 2000?CanCouldCanCouldCouldCouldIt can fly.It can sit on top of a tree.It can sing .It can fly a long way.Some can fly to other countries.What is it?Can you make similar riddles?Read the sentences on Page80 or practise them by asking questions in pairs like this :1.Why can you go skiing in Canada ?2.Why can’t you go swimming today ?3. Why ••••••Notes:a.can “表示 理论上的可能性 , 用于谈论不可更改的客观事实”England can be warm in September .Without water,there can be no life on the Earth.1.can,may,might ,could “”表示 可能性 。b.may “表示 现实的可能性极大”You may be late for class .c.might “表示 有实际的可能性 , 但可能性不是很大”Will you answer the telephone ?It might be your mother .d.could “表示 仅仅有发生的可能性，可能性极小”You could be right ,but I don’t think you are .2 ...
