内容正文:
九年级英语学科任务单 主备人:焦丽娜 审核:英语组
教材
人教版九年级全一册
学校
固安县第五中学
授课教师
课题
情态动词表推测
学习目标
重点
情态动词表推测
难点
如何正确运用情态动词进行推测
课前预学单
一、情态动词表示推测的意义和用法
句式
情态动词
含义
用法
肯定句
must
一定
表示有把握的肯定推测。
may/might/ could
也许;可能
表示没有把握的推测。
句式
情态动词
含义
用法
否定句
can’t/ couldn’t
不可能
表示有把握的否定推测。
may not/ might not
可能不
表示不太有把握的肯定推测。
疑问句
can/ could
可能
表示推测。
课中任务单
任务一:情态动词基础用法
1. —Sally, may I borrow your notebook?
—Sure, but you ______ return it tomorrow.
A. need B. must C. can D. may
2. —I can’t stop smoking, doctor.
—For your health, I’ m afraid you________
A. may B. can C. must D. need
3. You’ve made the same mistakes again. You ______ be more careful next time.
A. can B. may C. had to D. should
4. —Mum, may I watch TV now?
—Sure, but you ______ help me with my housework first.
A. can B. may C. must D. could
5. —Would you like to go swimming with me this afternoon?
—I’d love to. But I’m afraid I ______. I have too much work to do.
A. can’t B. mustn’t C. needn’t D. may not
任务二:情态动词的疑问用法及回答
· (1)May I...? 表示请求时, 否定回答用mustn't或can't。如:—May I buy some candies? 我可以买些糖果吗? —No, you mustn't/can't.不, 你不许/不能(买)。
· (2)由must引导的一般疑问句, 肯定回答用must或have to, 否定回答用needn't或don't have to。如:—Must I finish the homework today? 我今天必须完成作业吗? —No, you needn't/don't have to.不, 你不需要。
(3)回答以could引导的一般疑问句时, 用can, 不用could。如:—Could I use your mobile phone? 我可以用你的手机吗? —Yes, you can./No, you can't.是的, 可以。/不, 不可以。
6. —______ I fill in the check-in form right now, sir?
—No, you needn’t. You can complete it this afternoon.
A. May B. Can C. Would D. Must
7. —Must I finish reading the book today?
—No. You ______ if you have something else to do.
A. mustn’t B. couldn’t C. can’t D. don’t have to
任务三:情态动词表推测
8. —Do you know where Mr. Li is?
— I’m not sure. He ______ be in the teachers’ office.
A. may B. must C. will D. should
9. —Who is that man?
—That _be Mr. Green. He