高中英语情态动词导学案.docVIP

English Leaning Paper of Grade Two Module1 Grammar Period four : the modal auxiliary Date of Lesson Preparation:. Date of Teaching: Knowledge and skills To master the grammar and get more information Process and Methods Question-and-answer activity and task-based method can help the Ss to go through with the grammar Emotion and Values To master the usage of the modal auxilidary Important and Difficult Points How to use the modal auxiliary Knowledge Links To review and remember the modal auxiliary learned before Learning Guidance Do some related exercises and cooperate with partners. Learning procedure: To study main points and master the usage Ⅰ.can, could，be able to 译为“能、可能” 1) 表示能力 Some of us can use the computer now, but we couldn’t use the computer last year. I’ll not be able to come this afternoon. He was able to go to the party yesterday evening in spite of the heavy rain. 总结：表示现在的能力用 ，表示过去的能力用 .当表示“经过努力才得以做成功某事”时应用 ，不能用can。表示“将来能”用 。 2) 表示请求和允许。 -----Can I go now? ----- Yes, you can.（ No, you can’t. ） ---- Could I come to see you tomorrow? ---- Yes, you can. ( No, I’m afraid not. ) 总结：could 不是can的过去式，只是语气 ，在答语中用 代替。 3) 表示推测（惊讶、怀疑、不相信的态度），用于 和 句中。 Can that be Mike? I thought he was in Greece. This can’t be done by him. How can this be true? I thought the story could not be true. 注意：can偶尔用语肯定句中译为“有时候会…”，表示大部分时间不是这样，只是偶尔发生的事情。 It can be very cold in this part. 4) could have done用在 句中可以表示本来能做某事但没做，can/could have done用在 和 句子中表示对过去情况的推测。 I saw Mr.Zhang just now. He couldn’t have gone to Beijing. You could have done better, but you didn’t try your best. You can’t have left so soon. 5) 常用句式总结 can +否定词+too/enough表示 You can’t be too careful.你越小心越好 You can’t remember enough English words.你记越多的英语单词越好。 can’t but do sth表示 I can’t but admire your bravery.我不得不佩服你的勇气 I could not but choose to go. Ⅱ.may, might译为“也许” 1) 表示请求和允许。 ----Migh