高中英语情态动词详解(必修三unit1-2)教学文案
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No, you may not. 或 No, you’d better not.
1. 1I. ccaann/ a表m示a现ble在to的sw能im力.(ability) 2. 2.I ccoouulldd/表w示as 过ab去le的to能cli力mb a tree when I was a
child. 3. be able to 表能力，可用于多种时态 3. I will be able to swim next week.
❖ (08浙江11)
❖ You
be hungry already— you had lunch only two
hours ago!
❖ A.wouldn’t eedn’t
B.can’t
C.mustn’t
D.n
Leabharlann Baidu❖ 答案 B
❖ 解析 句意为：你不可能饿了，你两个小时之前才吃的午饭 ！can’t指不可能；mustn’t表猜测时，不能用于否定句；
can ,could 用在肯定句中表示理论上的可能性， “经验之谈”
As a human being, anyone can make a mistake. can ,could用在疑问句中表推测,表示可能性
Can she be in the classroom? can ,could用在否定句中表推测，翻译成“不 可能 ” We thought the story couldn’t be true.
❖ Peter be really difficult at times even though he’s a nice person in general.
❖ A.shall D.must
B.should
C.can
❖ 答案 C
❖ 解析 句意为：虽然彼得总体上来说是一个好人， 但有时真的难以相处。can在这里不表示主观的推 测，而表示
❖ (08湖南28)
❖ You don’t have to know the name of the author to find a book.You find the book by the title.
❖ A.must
B.need
D.would
C.can
❖ 答案 C can表示“可以，能够”。
—May I pick a flower in the garden? — ________.
A. No, you needn’t B. Not, please. C. No, you mustn’t D. No, you won’t
注意：
may I …? 的答语. 肯定: Yes, you may . 否定: No, you mustn’t (语气强硬)
1. Mary ____ be in Paris，for I saw her in
the town only a few minutes ago．
A．mustn't
B．can't
C．shouldn't D．may not
2. My MP4 player isn’t in my bag. Where ____ I have put it? A. can B. must C. should D. would
情态动词
常用的情态动词
can （could） may（might） shall（should） will （would）
must dare （dared） need
have to ought to be able to used to
The features（特点) of the modal verbs:
He has to go home now. He had to look after his sick mother.
在情态动词的使用中, 我们要注意以下考点:
1. 情态动词的基本用法。 2 .情态动词表推测的用法。 3. 情态动词+have done 的用法。
can ,could的用法
1.表“能力”
He said I could borrow his bike.
Could I use your bike?
— Could I borrow your dictionary? — Yes, of course you ____． A. might B. will C. can D. should
3.表“可能性”(possibility)P5,4
❖ Needn’t指没有必要。
❖ (08福建24)
❖ It is usually warm in my hometown in March，but
it
be rather cold sometimes.
❖ A.must D.would
B.can
C.should
❖ 答案 B
❖ 解析 must必然，一定；can可能；should应该； would（过去）将，总会。本题提供的语境是“有 时可能会……”。
1. 情态动词本身有词义, 但词义不完全. 2. 不能单独作谓语,只能和动词原形一起构成谓语. 3. 情态动词没有人称和数的变化( 除“have to”).
4H.e没ca有n不/co定ul式d/、mVus-itn/mga、y/Vm-eigdh形t/s式ha.ll/ should/need/dare/dared/will/would/ought to/ used to + work in that factory.
❖ 客观的可能性。
4.表“request”
❖Could you show me the way to school?
may与might用法
1.表“询问” (might比用may更客气.) May I …? (=Can I … ?) Might I … ? (=Could I … ?) May I borrow your book?
4. 4.Tbhee fairbelesptorea强d调th成ro功ug地h t做he了h某ote事l very quickly but everyone was able to get out.
2.表“请求,许可”(permission) could用来表示请求的时候比can 更委婉
Can you help me with my English?
1. 1I. ccaann/ a表m示a现ble在to的sw能im力.(ability) 2. 2.I ccoouulldd/表w示as 过ab去le的to能cli力mb a tree when I was a
child. 3. be able to 表能力，可用于多种时态 3. I will be able to swim next week.
❖ (08浙江11)
❖ You
be hungry already— you had lunch only two
hours ago!
❖ A.wouldn’t eedn’t
B.can’t
C.mustn’t
D.n
Leabharlann Baidu❖ 答案 B
❖ 解析 句意为：你不可能饿了，你两个小时之前才吃的午饭 ！can’t指不可能；mustn’t表猜测时，不能用于否定句；
can ,could 用在肯定句中表示理论上的可能性， “经验之谈”
As a human being, anyone can make a mistake. can ,could用在疑问句中表推测,表示可能性
Can she be in the classroom? can ,could用在否定句中表推测，翻译成“不 可能 ” We thought the story couldn’t be true.
❖ Peter be really difficult at times even though he’s a nice person in general.
❖ A.shall D.must
B.should
C.can
❖ 答案 C
❖ 解析 句意为：虽然彼得总体上来说是一个好人， 但有时真的难以相处。can在这里不表示主观的推 测，而表示
❖ (08湖南28)
❖ You don’t have to know the name of the author to find a book.You find the book by the title.
❖ A.must
B.need
D.would
C.can
❖ 答案 C can表示“可以，能够”。
—May I pick a flower in the garden? — ________.
A. No, you needn’t B. Not, please. C. No, you mustn’t D. No, you won’t
注意：
may I …? 的答语. 肯定: Yes, you may . 否定: No, you mustn’t (语气强硬)
1. Mary ____ be in Paris，for I saw her in
the town only a few minutes ago．
A．mustn't
B．can't
C．shouldn't D．may not
2. My MP4 player isn’t in my bag. Where ____ I have put it? A. can B. must C. should D. would
情态动词
常用的情态动词
can （could） may（might） shall（should） will （would）
must dare （dared） need
have to ought to be able to used to
The features（特点) of the modal verbs:
He has to go home now. He had to look after his sick mother.
在情态动词的使用中, 我们要注意以下考点:
1. 情态动词的基本用法。 2 .情态动词表推测的用法。 3. 情态动词+have done 的用法。
can ,could的用法
1.表“能力”
He said I could borrow his bike.
Could I use your bike?
— Could I borrow your dictionary? — Yes, of course you ____． A. might B. will C. can D. should
3.表“可能性”(possibility)P5,4
❖ Needn’t指没有必要。
❖ (08福建24)
❖ It is usually warm in my hometown in March，but
it
be rather cold sometimes.
❖ A.must D.would
B.can
C.should
❖ 答案 B
❖ 解析 must必然，一定；can可能；should应该； would（过去）将，总会。本题提供的语境是“有 时可能会……”。
1. 情态动词本身有词义, 但词义不完全. 2. 不能单独作谓语,只能和动词原形一起构成谓语. 3. 情态动词没有人称和数的变化( 除“have to”).
4H.e没ca有n不/co定ul式d/、mVus-itn/mga、y/Vm-eigdh形t/s式ha.ll/ should/need/dare/dared/will/would/ought to/ used to + work in that factory.
❖ 客观的可能性。
4.表“request”
❖Could you show me the way to school?
may与might用法
1.表“询问” (might比用may更客气.) May I …? (=Can I … ?) Might I … ? (=Could I … ?) May I borrow your book?
4. 4.Tbhee fairbelesptorea强d调th成ro功ug地h t做he了h某ote事l very quickly but everyone was able to get out.
2.表“请求,许可”(permission) could用来表示请求的时候比can 更委婉
Can you help me with my English?