7b unit 5 grammar （2）
个性化补充step 1 revisiont: we have learned two ways about using “can” and “could” , can you tell me something about them? you can discuss in groups of four.help them review the rule together.step 2 reviewing and testinga. fill in the blanks:1.____ you speak japanese? no, i____________.2._____you play the piano when you were eight? yes, i_______.3._____ you cook? yes i _____.4.______you use computer last year? yes, i_______.5._____you play basketball? no,i______________becausei______________run fast.6.___you ride a horse?i want but i__________________. can表示我们 能做某事; could表示____ 能做某事。 b. design a scene about reading “a brave young man” , ask them the following questions about the text. pay attention to the second way of using “can” and “could”. 1. why couldn’t mrs sun get out of the kitchen? 2. what could happen if zhang hua didn’t help her ?can与could还可表示 ，could 表示的可能性比can 。当我们谈论过去的可能性时，只能用 。但我们不能用can或could谈论 。show them more pictures ,have them make sentences with “can” and “could” correctly.c. exercises: 用“can”&“could”的正确形式填空1. i ________ go to school on foot, because my home is not far away from school.2. without air, we ________ live.3. it will be hot tomorrow so we _______wear short sleeves. (袖子)4. i forgot my key. i ________ open the door.5. he was at home alone. he ________ be in hospital.step 3 show them pictures, help them express with “what” and “how”. fill in the blanks. eg.what a big fire!how dangerous!what a brave girl she is!how brave the girl is!what a beautiful flower!what beautiful flowers!what beautiful snow!step 4 discussion and conclusiont: ｗhat’s the main idea about the expressions with “what” and “how”.感叹句表示说话的惊讶,喜悦,气愤等情绪.