中小学优质课件情态动词课件.ppt
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情态动词讲解ppt课件
A. may B. might C. could
D. must
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may, might, can, could
表示猜测
➢ 1. They (can/might) ___m__ig_h__t___be away for the
weekend but I’m not sure.
表示许可
➢ 2. You (may/might) __m__a_y_____leave now if you
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
1.I thought you ________ like something to read, so I have brought you some books.
2.表示推测时，could不是过去式，只是语气 更委婉；若是推测已发生的事或过去的情况， 用can/could have done
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3.can和be able to辨析 can(could)和be able to都可以表示能力，意思上没有区别。 但can只有现在式和过去式，而be able to则有更多的形式。 如：
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Ⅲ 情态动词的语法特征 1） 情态动词不能表示正在发生或已经
发生的事情，只表示期待或估计某事的 发生。
2） 情态动词除ought 和have 外，后 面只能接动词原形。
3） 情态动词没有人称，数的变化，即 情态动词第三人称单数不加-s。
4） 情态动词没有非谓语形式，即没有 不定式，分词，等形式。
1.It may rain this afternoon. 2.She might come to join us this afternoon. 3.I suppose he might have missed the train.
情态动词全部ppt课件
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Some festivals are held to satisfy the ancestors, who might return either to help or to do harm.
推测
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--- Excuse me. Is this the right way to the Summer Palace?
3. will/would
1. 表示意愿，will表示现在的意愿， would表示过去的意愿。
I will stick to my plan though all of you are against it.
I told him to give up smoking, but he wouldn’t
3. During the vacation, he would visit me
every four days.
过去的习惯
4. Will / Would you pass me the ball,
please?
请求
习惯，倾向 5. Birds will fly to the south in the winter. 24
You can go with them if you like.
--- Could/Can I have a look at your new design? --- Yes, of course you can.
(注意此处答语不能用could)
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3）用在肯定句中，表示_客__观__上__有__可_ 能 Anybody can make mistakes. Driving on the snowy roads can be very dangerous.
Some festivals are held to satisfy the ancestors, who might return either to help or to do harm.
推测
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--- Excuse me. Is this the right way to the Summer Palace?
3. will/would
1. 表示意愿，will表示现在的意愿， would表示过去的意愿。
I will stick to my plan though all of you are against it.
I told him to give up smoking, but he wouldn’t
3. During the vacation, he would visit me
every four days.
过去的习惯
4. Will / Would you pass me the ball,
please?
请求
习惯，倾向 5. Birds will fly to the south in the winter. 24
You can go with them if you like.
--- Could/Can I have a look at your new design? --- Yes, of course you can.
(注意此处答语不能用could)
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3）用在肯定句中，表示_客__观__上__有__可_ 能 Anybody can make mistakes. Driving on the snowy roads can be very dangerous.
情态动词讲解精ppt课件
例句
will/would
详细描述：will 表示现在的意愿或 预测，would 表示过去的或虚拟 的意愿或预测。
1. I will help you with your project.（我会帮助你完成你的项 目。）
总结词：表示意愿或预测
例句
2. They would have gone to the party if they had known about it earlier.（如果他们早点 知道，他们就会去参加聚会。）
表示意愿
情态动词+动词原形，如 would like to go，表示 某人想要去。
形式变化
基本形式
情态动词的基本形式包括 现在时、过去时和将来时 。
过去式
情态动词的过去式通常是 在基本形式后面加-d或ed，如could have done 、should have done等。
将来时
情态动词的将来时通常是 在基本形式后面加-will或shall，如will be able to 、shall have to等。
may与might的区别与联系
总结词
may表示现在的许可或可能性；might表示过去的可能性或许可。
详细描述
may用于肯定句中，表示许可或可能性，例如“You may use this room.”（你可以使用这个房间。 ）“The book may be in the library.”（这本书可能在图书馆里。）might表示过去的可能性，常 用于过去时态的句子中，例如“He might come tomorrow.”（他明天可能来。）
未必、很难说
She might not agree with us.
表示虚拟语气
will/would
详细描述：will 表示现在的意愿或 预测，would 表示过去的或虚拟 的意愿或预测。
1. I will help you with your project.（我会帮助你完成你的项 目。）
总结词：表示意愿或预测
例句
2. They would have gone to the party if they had known about it earlier.（如果他们早点 知道，他们就会去参加聚会。）
表示意愿
情态动词+动词原形，如 would like to go，表示 某人想要去。
形式变化
基本形式
情态动词的基本形式包括 现在时、过去时和将来时 。
过去式
情态动词的过去式通常是 在基本形式后面加-d或ed，如could have done 、should have done等。
将来时
情态动词的将来时通常是 在基本形式后面加-will或shall，如will be able to 、shall have to等。
may与might的区别与联系
总结词
may表示现在的许可或可能性；might表示过去的可能性或许可。
详细描述
may用于肯定句中，表示许可或可能性，例如“You may use this room.”（你可以使用这个房间。 ）“The book may be in the library.”（这本书可能在图书馆里。）might表示过去的可能性，常 用于过去时态的句子中，例如“He might come tomorrow.”（他明天可能来。）
未必、很难说
She might not agree with us.
表示虚拟语气
《情态动词》PPT课件
work our this problem. 如果你睡个好觉，那么你就能做出这个题目。 3、表示过去的能力： could表示过去一般的能力， 但不表示做或未做某事；
was/ were able to表示过去有能力并且成功地做了某事， 相当于managed to do something/ succeeded in doing something；
• Mr. Bush is on time for everything. How can it be that he was late for the opening ceremony? (表疑惑、惊讶)
表示请求、允许、允诺
1. 当对方是决策者时，你代表你（们）自己（I， We），或代表第三者（he,she,they）向对方 （you）请示或提出建议时用：
Revision:Modal verbs
情态动词专项复习
How many modal verbs
do you remember?
(情态动词)
一，常见的情态动词有：can, could, may, might ,must, shall, should, will, would, need, have to等
4、具有情态动词的某些特征的有：have(had) to, used to.
情态动词的特征
1、有一定的词义，但不能单独作谓语，它们要和行 为动词或连系动词连用，构成谓语。
2、适用于主语的各种人称和数 have to例外，主语 是第三人称单数时，要用has to）。如：
We/ He must work hard. 我们/他一定要努力工作。 I have to walk home. 我得步行回家。 He has to walk home. 他得步行回家。
was/ were able to表示过去有能力并且成功地做了某事， 相当于managed to do something/ succeeded in doing something；
• Mr. Bush is on time for everything. How can it be that he was late for the opening ceremony? (表疑惑、惊讶)
表示请求、允许、允诺
1. 当对方是决策者时，你代表你（们）自己（I， We），或代表第三者（he,she,they）向对方 （you）请示或提出建议时用：
Revision:Modal verbs
情态动词专项复习
How many modal verbs
do you remember?
(情态动词)
一，常见的情态动词有：can, could, may, might ,must, shall, should, will, would, need, have to等
4、具有情态动词的某些特征的有：have(had) to, used to.
情态动词的特征
1、有一定的词义，但不能单独作谓语，它们要和行 为动词或连系动词连用，构成谓语。
2、适用于主语的各种人称和数 have to例外，主语 是第三人称单数时，要用has to）。如：
We/ He must work hard. 我们/他一定要努力工作。 I have to walk home. 我得步行回家。 He has to walk home. 他得步行回家。
我的公开课情态动词课件
2. —What’s the name of the book? —Khulaifi. _________ I spell it for you? A. Shall B. Would C. Can D. Might
情态动词表必要性
• must • need
高考真题演练
must 表“必须”
mustn’t 禁止
A. might B. must C. would D. can
3. What do you mean, there are only ten tickets? There ______ be twelve.
A. should B. would C. will D. shall
4. It is usually warm in my hometown in March, but it _____ be rather cold sometimes.
1. 不必须
don’t have to needn’t do
don’t need to
2. must还可表示“偏偏、偏要” e.g. Must you make so much noise?
• You ___ buy a gift, but you can if you want to.
• must
1. 常用于否定句或疑问句。 e.g. You can’t be hungry already — you had
lunch only two hours ago!
2. can用于肯定句中表示理论上的可能性，并不 牵涉是否真的会发生
e.g. You can hurt yourself if you play in the street.
A. must B. can C. should D. would
情态动词-完整版PPT课件
情态动词 modal verbs
1.情态动词的用法特点
1）情态动词 除 ought 和 have 外，后面只能 接不带to 的不定式。 2）情态动词没有人称，数的变化，即情态动 词第三人称单数不加-s。 3）情态动词没有非谓语形式，即没有不定式， 分词等形式。
can could may might shall should must will would ought to
have to dare need used to
表示推测
情态动词
不表示推测
2.表示推测——情态动词的重要用法.
情态动词
对将来
对现在
对过去
m肯ust/定sho的uld 推测
+ V. + V. + have done
常见must be + be doi定的推测 can’t, couldn’t
疑问的推测
can, could
+ V.
+ V.
+ have done
+ be doing
可以用not表示“可能不”
+V.
+ V.
+ have done
+ be doing
+ V.
+ V.
+ have done
+ be doing
不同的“肯定”程度可按下列层次排列： He is at home. (事实) He must be at home.（非常肯定的推断） He ought to be at home.（很可能） He could be at home.（很可能） He may be at home.（仅仅可能而已） He might be at home.（或许, 非常不确定） He might not be at home.（也许不在家） He may not be at home. （比might可能） He couldn’t be at home.（很可能不在家） He can’t be at home.（一定不在家）
1.情态动词的用法特点
1）情态动词 除 ought 和 have 外，后面只能 接不带to 的不定式。 2）情态动词没有人称，数的变化，即情态动 词第三人称单数不加-s。 3）情态动词没有非谓语形式，即没有不定式， 分词等形式。
can could may might shall should must will would ought to
have to dare need used to
表示推测
情态动词
不表示推测
2.表示推测——情态动词的重要用法.
情态动词
对将来
对现在
对过去
m肯ust/定sho的uld 推测
+ V. + V. + have done
常见must be + be doi定的推测 can’t, couldn’t
疑问的推测
can, could
+ V.
+ V.
+ have done
+ be doing
可以用not表示“可能不”
+V.
+ V.
+ have done
+ be doing
+ V.
+ V.
+ have done
+ be doing
不同的“肯定”程度可按下列层次排列： He is at home. (事实) He must be at home.（非常肯定的推断） He ought to be at home.（很可能） He could be at home.（很可能） He may be at home.（仅仅可能而已） He might be at home.（或许, 非常不确定） He might not be at home.（也许不在家） He may not be at home. （比might可能） He couldn’t be at home.（很可能不在家） He can’t be at home.（一定不在家）
情态动词详解ppt课件
She could / was able to sing like an angel
when she was a child.
2021精选ppt
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3. 表示过去的能力 （1）could , was/ were able to 表示过去 一般的能力，即不表示做与未做某事。
She could / was able to sing like an angel
He should be around sixty years old. 他可
能60岁上下。
It’s nearly seven o’clock. Jack should be here
at any moment. （表示确定或期待）
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4）should 表示推测时，表示确定或可能有 的未来或期望，即合乎理想的情况或结果。
He may not have finished the work.
He might have caught a cold.
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5. Might have done
表示“本来可能……”，但实际上没有发生 的事。
另外，还可以表示“本应该或可以做某 事，”,含有轻微的责备语气。
You should not have swum in that sea.
that.
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7. Needn’t have done
表示“做了本来不必去做的事情”， 注意：didn’t need to do 表示“没有必 要做而实际也免于做某事”。
You needn’t have taken a taxi here, for it was very near to my house.
when she was a child.
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3. 表示过去的能力 （1）could , was/ were able to 表示过去 一般的能力，即不表示做与未做某事。
She could / was able to sing like an angel
He should be around sixty years old. 他可
能60岁上下。
It’s nearly seven o’clock. Jack should be here
at any moment. （表示确定或期待）
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4）should 表示推测时，表示确定或可能有 的未来或期望，即合乎理想的情况或结果。
He may not have finished the work.
He might have caught a cold.
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5. Might have done
表示“本来可能……”，但实际上没有发生 的事。
另外，还可以表示“本应该或可以做某 事，”,含有轻微的责备语气。
You should not have swum in that sea.
that.
2021精选ppt
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7. Needn’t have done
表示“做了本来不必去做的事情”， 注意：didn’t need to do 表示“没有必 要做而实际也免于做某事”。
You needn’t have taken a taxi here, for it was very near to my house.
情态动词讲解ppt课件共33页35页PPT
情态动词讲解ppt课件共33页
11、获得的成功越大，就越令人高兴 。野心 是使人 勤奋的 原因， 节制使 人枯萎 。 12、不问收获，只问耕耘。如同种树 ，先有 根茎， 再有枝 叶，尔 后花实 ，好好 劳动， 不要想 太多， 那样只 会使人 胆孝懒 惰，因 为不实 践，甚 至不接 触社会 ，难道 你是野 人。(名 言网) 13、不怕，不悔(虽然只有四个字，但 常看常 新。 14、我在心里默默地为每一个人祝福 。我爱 自己， 我用清 洁与节 制来珍 惜我的 身体， 我用智 慧和知 识充实 我的头 脑。 15、这世上的一切都借希望而完成。 农夫不 会播下 一粒玉 米，如 果他不 曾希望 它长成 种籽； 单身汉 不会娶 妻，如 果他不 曾希望 有小孩 ；商人 或手艺 人不会 工作， 如果他 不曾希 望因此 而有收 益。-- 马钉路 德。
46、我们若已接受最坏的，就再没有什么损失。——卡耐基 47、书到用时方恨少、事非经过不知难识各个时代的伟大智者。——史美尔斯 49、熟读唐诗三百首，不会作诗也会吟。——孙洙 50、谁和我一样用功，谁就会和我一样成功。——莫扎特
情态动词 专题课件(共28张PPT)
➢ 5. (may/can) ____c_a_n_____you swim? 表示能力
➢ 6. Listen, please. You (may not/might not)
____m__a_y__n_o_t______ speak during this exam.
表示不允许
may, might, can, could
may, might, can, could
表示猜测
➢ 1. They (can/might) ____m_i_g_h_t___be away for the
weekend but I’m not sure.
表示许可
➢ 2. You (may/might) ___m__a_y____leave now if you
can and could
➢So he can carry heavy books. ➢ability ➢He couldn't open the door by himself. ➢ability ➢Could you open the door, please? ➢request
can and could
表示猜测(不可能)
➢7. They (can not/may not) ___c_a_n_n_o_t_______ still be out, the light is on in the house.
➢8. You (couldn’t/might not) 表示许可
____c_o_u_ld_n_’_t_______ smoke on the bus.
➢9. With luck, tomorrow (can/could) ___c_o_u_ld____be a cooler day. 表示猜测
情态动词讲解课件
1.It may rain this afternoon. 2.She might come to join us this afternoon. 3.I suppose he might have missed the train.
1.May you succeed. 2.May you live happily! 3.May she rest in peace.愿她安息。
语法 ：情态动词
---Modal Verbs
情态动词 Modal Verbs
I 情态动词的定义 情态动词是一种本身有一定的词义，表 示说话人的情绪、态度或语气的动词， 但不能单独作谓语，只能和其他动词原 形构成谓语。 情态动词数量不多，但用途广泛，主要 有： can (could), may (might), must, need, ought to, dare (dared), shall (should), will (would) .
惯用句式： “may as well或might(just)as well+动词原 形”意为“最好，满可以，倒不如”，相 当于“had better.
1.There is nothing to do, so I may as well go to bed. 2.You may as well tell us now, we’ll find out sooner or later. 3.I suppose we might as well go home.
may, might, can, could
1. They (can/might) ___________be away for the might weekend but I’m not sure. 表示许可 2. You (may/might) __________leave now if you may wish. 表示请求 3. (could/may) __________you open the window a could bit, please? 表示猜测 4. He (can/could) __________be from America, could judging by his accent. 5. (may/can) ___________you swim? 表示能力 can 6. Listen, please. You (may not/might not) _________________ speak during this exam. may not
《情态动词课件》ppt课件
(00 上海)
My sister met him at the Grand A Theatre yesterday, so he ______ your lecture. A. couldn’t have attended
B. needn’t have attended C. mustn’t have attended D. shouldn’t have attended
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Could 表可能性,语气较弱; 表请求,较委婉。 —Could you lend me some money? —Yes , I can. (98 上海) “ Could I call you by your first name?” C “ Yes, you _____. A. will B. could C. may D. might
3
情态动词可用来表示推测,语气从强到弱的顺序是： must，should，can，could, may ，might。
一.情态动词表示推测的用法
１．must所表示的可能性最大，最有把握，意为“一
定”。
２．can和could主要用于否定句和疑问句中 ，can’t
或couldn’t 表示“不可能”
３．may 和 might表示现在或将来可能发生的动作
13
(NMET 05)
B He ______ have completed his work; otherwise, he wouldn’t be enjoying himself by the seaside. B. must A. should C. wouldn’t D. can’t
14
6
3. ● He may not have finished the exercises, I’m afraid. may/might have done(过去) 或许/可能做 …(用于肯定或否定句中) 4. You could have done better, but you didn’t try your best. could have done (过去) 本能够做 (用于肯定或否定句中,带有责备、劝告之意)
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A.can; needn’t B. must; can’t C. shall; won’t D. may; mustn’t
4. My wife never remembers my
telephone number. She always ____
look it up.
A. must
B. should
A.will B. should C. can D. need
10. Joan_____ come with us this afternoon, but she isn’t very sure yet. A. can B. may C. must D. will
11. I _____ ask you the question because I think I _____ be wrong.
---I don’t think it ____ be right.
A.should
B. might
C. must
D. can
15. --- Is John coming by train?
--- He should, but he ___. He likes
driving his car.
A. can’t
18. ---Why! I couldn’t get you on the phone this morning. --- We _____ tennis in the yard when you phone me.
A.could be playing B. must be playing C. must have been playing D. should have played
A.daren’t; must B. mumay D. can’t; should
12. It’s nearly eight o’clock. Mike
_____ be here at any moment.
A. need
B. has to
C. should
B. needn’t
C. may not D. mustn’t
16. He doesn’t have to work tomorrow,
but you have got to, ____ you?
A.don’t
B. haven’t
C. haven’t got D. can’t
17. You_____ wake me up when I fall asleep, ______ you? A. haven’t better; have B. would not rather; would C. had better not; should D. had not better; must
情态动词专项练习
1.–May I sit beside you, sir?
--- No, you ______. My girlfriend is
coming soon.
A.can’t
B. mustn’t
C. needn’t
D. shouldn’t
2.-- _____ I speak to Mary, please?
20. ---I came here by taxi and the driver charged me 50 yuan. ---Really? You _____ have come by bus.
8. You ____ be careful when crossing
here. The traffic lights aren’t working.
A. might
B. ought to
C. could
D. may
9. ---Could I borrow your bicycle? --- Yes, of course you_____.
C. would
D. has to
5. --- ____ you pass me the English magazine, please? --- Sure. Here you are.
A.Could B. Need C. Must D. Might
6. ---Must I go to work with you? --- No, you_____. Linda ______ go with me.
19. --- We didn’t see him at the lecture.
--- Neither did anybody else. He _____ it. A. may not have attended B. mustn’t attend C. can’t have attended D. couldn’t attend
D. can
13. The fire spread through the
building very quickly but everyone
____ get out.
A. had to
B. would
C. could
DD. was able to
14.---What do you think of this answer?
--Sorry, she____ come to the phone
because she isn’t in.
A. Might; won’t B. Can’t; mustn’t
C. May; can’t D. Couldn’t; shouldn’t
3. --- I want to know if I _ smoke here. --- No, you____ . Could you see the sign “NO SMOKING” there?
A. mustn’t; can B. can’t; has to C. daren’t; should DD. needn’t; may
7. --- __ I tell Mary the test results? --- No, you____. She’s already got
the score. A. Will; won’t BB. Shall; needn’t C. May; mustn’t D. Can; don’t
4. My wife never remembers my
telephone number. She always ____
look it up.
A. must
B. should
A.will B. should C. can D. need
10. Joan_____ come with us this afternoon, but she isn’t very sure yet. A. can B. may C. must D. will
11. I _____ ask you the question because I think I _____ be wrong.
---I don’t think it ____ be right.
A.should
B. might
C. must
D. can
15. --- Is John coming by train?
--- He should, but he ___. He likes
driving his car.
A. can’t
18. ---Why! I couldn’t get you on the phone this morning. --- We _____ tennis in the yard when you phone me.
A.could be playing B. must be playing C. must have been playing D. should have played
A.daren’t; must B. mumay D. can’t; should
12. It’s nearly eight o’clock. Mike
_____ be here at any moment.
A. need
B. has to
C. should
B. needn’t
C. may not D. mustn’t
16. He doesn’t have to work tomorrow,
but you have got to, ____ you?
A.don’t
B. haven’t
C. haven’t got D. can’t
17. You_____ wake me up when I fall asleep, ______ you? A. haven’t better; have B. would not rather; would C. had better not; should D. had not better; must
情态动词专项练习
1.–May I sit beside you, sir?
--- No, you ______. My girlfriend is
coming soon.
A.can’t
B. mustn’t
C. needn’t
D. shouldn’t
2.-- _____ I speak to Mary, please?
20. ---I came here by taxi and the driver charged me 50 yuan. ---Really? You _____ have come by bus.
8. You ____ be careful when crossing
here. The traffic lights aren’t working.
A. might
B. ought to
C. could
D. may
9. ---Could I borrow your bicycle? --- Yes, of course you_____.
C. would
D. has to
5. --- ____ you pass me the English magazine, please? --- Sure. Here you are.
A.Could B. Need C. Must D. Might
6. ---Must I go to work with you? --- No, you_____. Linda ______ go with me.
19. --- We didn’t see him at the lecture.
--- Neither did anybody else. He _____ it. A. may not have attended B. mustn’t attend C. can’t have attended D. couldn’t attend
D. can
13. The fire spread through the
building very quickly but everyone
____ get out.
A. had to
B. would
C. could
DD. was able to
14.---What do you think of this answer?
--Sorry, she____ come to the phone
because she isn’t in.
A. Might; won’t B. Can’t; mustn’t
C. May; can’t D. Couldn’t; shouldn’t
3. --- I want to know if I _ smoke here. --- No, you____ . Could you see the sign “NO SMOKING” there?
A. mustn’t; can B. can’t; has to C. daren’t; should DD. needn’t; may
7. --- __ I tell Mary the test results? --- No, you____. She’s already got
the score. A. Will; won’t BB. Shall; needn’t C. May; mustn’t D. Can; don’t