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《Grammar》新课标教案优质课下载
3. Assist?them?to?identify modal verbs and put them into use.?
学情分析：
The students are not familiar with the grammar, however, they are curious about it. Although grammar is one of the most difficult parts in their learning experience, they are willing to pay more attention to it.
教学重、难点：
1. Help?students?to?understand?the?grammar?better.?
2. Enable?the?students?to?use?modal verbs?correctly.?
教学流程：
【导入】
Lead in?
Fill?in?the?blanks.?
couldn’t, needn’t, should, might, must
1. Come on! You ______ have finished this task hours ago.
2. She suddenly fell down on her way to school; she _____ have been ill.
3. She ________ have seen me because I wasn’t there at all yesterday.
4. I can’t find my keys. I _______ have left them at the school yesterday.
5. There was plenty of time; she _______ have hurried.
【活动】Part1 基础点拨
情态动词+have done的用法归纳:
1. may / might + have done。
表示对不太把握的过去情况的可能性推测，表示“可能/ 大概(已经)做了某事”的意思。
Tom may have gone to Shanghai，but I’m still not sure about it.
汤姆可能已经去了上海，但是我还不能肯定。
2. can / could + have done。
表示对过去的推测，用于否定句、疑问句中，还可以表示“本来可以做；可能已经做”。
She can’t have been to your house. She doesn’t know your address.