XX 同学寒假第X 次课教案
上课日期:________上课时间：__________教师姓名： _________
实义动词 情态动词 助动词 词义 完整 不完整
无
在谓语中作用
单独作谓语
和实义动词一起作谓语
帮助实义动词，构成时态、语态、语气、否定、疑问
1、表示能力
(1) 表示某人具有某种特定
技巧和能力
①
can
②
could
用于表示某人过去具有某种技巧和能力
(2) be able to
“can”和“could”不能用来表示某人或某物在将来会有某种能力，但“be able to”可表达这个意思。 区别：can 指本能，be able to 可以指本领。
练习（单项选择）
1. A. computer ______ think for itself; it must be told what to do. A. can't B. couldn't
C. may not
D. might not
2. The World Wide Web is sometimes jokingly called the World Wide Wait because it _________be very
slow. A. should B. must C. will D. can
3. Some aspects of a pilot’s job _______ be boring, and pilots often______ work at inconvenient hours.
A. can; have to
B. may; can
C. have to; may
D. ought to; must
ADB
must 表示必然会发生的事件。
may
表示某事有可能发生。且may 较为正式。
might can could
Grammar
情态动词、趣味阅读
注意：mustn’t 不是表示不可能，而是表示“禁止”，“不允许”。
以May或Must开头的问句，需要注意其否定回答。
练习（单项选择）
1. —I heard they went skiing in the mountains last winter.
—It ________ true because there was little snow there.
A. may be not
B. won’t be
C. couldn’t be
D. mustn’t be
2. —Is John coming by train
—He should，but he ____ not.He likes driving his car.
A. must
B. can
C. need
D. may
3. — Isn't that Ann's husband over there?
— No, it _______ be him —I'm sure he doesn't wear glasses.
A. can't
B. must not
C. won't
D. may not
4. –Must I finish my homework now?
-No, you _________.
A. needn’t
B. may not
C. can’t
D. mustn’t CDAA
3、“许可”和“禁止”
(1)许可
①can 表示某人被允许做某事或说话人允许某事发生。
②may 用在比较正式的场合表示许可。
(2)禁止
①cannot 表示比如由于规章制度或法律条文，某事遭到禁止。语气比can’t强烈。
②may not 与“cannot”用法类似，但更正式一些。
③should not 用于告诉某人某动作不可接受或不可取。
④must not 用来更坚决地表示某事物不可接受或不可取。通常含有禁止的意思。
练习（单项选择）
1. Johnny, you_________ play with the knife, you________ hurt yourself.
A. won't; can't
B. mustn't; may
C. shouldn't; must
D. can't; shouldn't
2. -May I smoke here?
-No, you _________.
A. may not
B. mustn’t
C. may
D. wouldn’t
BB
4、表示必要性，必须做某事
(1) must：强调的是主观上，自己觉得必须做的事情。
(2) have to ：强调的是客观上，不得不去做的事情。
(3)must 来提问的句子的否定回答，可以用needn’t或don’t have to来代替。
练习（单项选择）
1. I _________ look after my sister because she is too young to stay at home alone, so I can’t go with you.
A. must
B. have to
C. mustn’t
D. can
B
5、表示应该做某事
should 和ought to
①should和ought to表示应当、应该，前者比后者语气轻，后面都加动词原形。
如：You should / ought to work hard.
②should / ought to的否定形式表示禁止之意。
如：Children shouldn’t smoke.=Children ought not to smoke.
③should和ought to的区分：
should可表示陈述意见，推出建议或请求；而ought to可以表示劝告之意。
如：You ought to respect your parents.
He suggested that they should leave at once.
练习（单项选择）
1. —Shall I tell John about it?
—No, you _____. I’ve told him already.
A. needn’t
B. wouldn’ t
C. mustn’t
D. shouldn’t
2. —Is John coming by air? —He should, but _____ not. He likes taking trains.
A. must
B. can
C. need
D. may
3. — _____ it be Li Ping who broke the glass?
—No. It _____ be Wang Hai who did it.
A. Could; man
B. Can; can
C. May ; must
D. Can ; must
4. I’ve decided to take the job and I _____ change my mind.
A. mustn’t
B. can’t
C. won’t
D. may not
5. My parents never remember my telephone number, and they always _____ look it up.
A. must
B. can
C. should
D. have to
6. —What will the weather be like tomorrow?
—It_____ be rainy, cloudy or sunny. Who knows?
A. must
B. might
C. shall
D. should
7. —Whose T-shirt is this? （2014二中期中考）
—It _______ be John’s.It’s _______ small for him.
A. mustn’t; too much
B. mustn’t; much too
C. can’t; too much
D. can’t; much too
8. 一____ I go swimming with Dad , Mum? —No, you needn’t. You can go bike riding.
A. Must
B. May
C. Would
D. Can
ADDBDBBA
