情态动词
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文档简介
(共29张PPT)
高中英语语法复习
情态动词语法目录
一、情态动词表能力
二、情态动词表请求、允许
三、情态动词表必要性
四、情态动词表推测
五、情态动词+have done
（能够）
（能不能）
（必须）
（可能）
I can/ am able to swim.
I could/ was able to climb a tree when I was a child.
I will be able to swim next week.
The fire spread through the hotel very quickly but everyone was able to get out.
1. can 表示现在的能力
2. could表示过去的能力
3. be able to 表能力，可用于多种时态
4. be able to 强调成功地做了某事
情态动词表能力
shall
will、would
情态动词表请求、允许
（2011·陕西卷）24.—Will you read me a story ,Mummy
—OK. You________have one if you go to bed as soon as possible.
A.might B. must C. could D. shall
（2007 四川卷）
一What does the sign over there read
一“No person ________ smoke or carry a lighted cigarette，cigar or pipe in this area．”
A．will B．may C．shall D. must
shall
，征求对方意见。
e.g. Shall we begin our class
Shall he go now
2. 二、三人称陈述句，提出命令、允诺等，或用于法律、规定
e.g. You shall get my book on Sunday.
He shall leave the house at once.
The sign reads: No person shall smoke here!
用于第一、三人称疑问句
will would
1. 用于向第二人称，征求对方意见。
e.g. Would you please open the door
2. 表示个人主观意愿。
e.g. I will help you anytime.
3. used to do
would表示“过去常常”；
“过去常常，强调现在不了”
1. When he was there, he ___ go to that coffee shop at the corner every day.
A. would B. should
C. had better D. might
2. —What’s the name of the book
—Khulaifi. _________ I spell it for you
A. Shall B. Would C. Can D. Might
征求对方意见
(2010马鞍山三检)—Has John arrived
—Yes, already.________ he wait outside or just come in
A.Shall B.May C.Could D.Must
(2011江南十校)—What do you mean by this
—No need for you to worry about your money and be angry with me. You _______ get it this afternoon.
A.will B.shall C.may D.need
征求对方意见
允诺
must
need
情态动词表必要性
must 表“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
1. 不必
mustn’t 禁止
情态动词表推测
可能性的强弱层次
must should/ought to can/could
may/might
＞
＞
＞
must表示推测
1. 可能性最强，只能用于肯定句
e.g. That must be my pen.
2. must ---- 一定 can’t ---- 不可能
e.g. (合肥一中及联谊学校联考)Don't give up, dear. You _____ expect to become a millionaire overnight.
can’t
should / ought to表示推测
根据经验的推测，“应当、应该”
e.g. Your photos should be ready by 12:00.
2. 表示“竟然”，带有感彩。
e.g. It is strange that you should like him.
can /could 表示推测
1. 常用于否定句或疑问句。
e.g. （2011·江西卷）23.It _______ be the postman at the door. It’s only six o’clock.
A. mustn’t B.can’t C.won’t D.needn’t
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. （08辽宁卷）Peter ______ be really difficult at times even though he’s a nice person in general.
can
B
may/ might表示推测
1. can not 不可能 may not 可能不
2. “极有可能”________
3. “不妨”____________
may well do
e.g. (08全国Ⅱ）Liza may well not want to go on the trip --- she hates traveling.
may/ might as well do
e.g. You may as well stay for dinner.
(2010湖南卷)You ___ buy a gift, but you can if you want to.
must B. mustn’t
C. have to D. don’t have to
2.(2010重庆卷 21).You park here! It’s an emergency exit.
A. wouldn’t B. needn’t C. couldn’t D. mustn’t
3.（2011·辽宁卷）21. If you __ go, at least wait until the storm is over.
A. can B. may C. must D. will
4.(2011合肥二模)—Is there an express to Beijing tonight
—There _____ be, but you'd better call the booking office to make sure.
A.can B.might C.will D.must
5.(2010儒风一)—I've told her many times, and she still forgot about it!
—I understand. She ________ be very forgetful sometimes.
A.can B.would C.should D.must
must have done
can/could have done
might/may have done
情态动词+have done：表示对过去发生的事进行推测
一定做了…
可能做了…
可能做了…（可能性较小）
情态动词+have done：表示后悔、责备或遗憾
1.本来可以做____________________
2.本该做但没有做________________
3.本不必做______________________
4.might have done_________________
5.当时最好做了某事had better have done
6.当时宁愿做了某事would rather have done
7.过去愿意做但未做成would like/love to have done
8.过去愿意做但未做成would like/love to have done
could have done
should / ought to have done
needn’t have done
本来可以做含责备的语气
【2010安徽卷】32．Jack described his father, who a brave boy many years ago，as a strong-willed man.
A. would be B. would have been
C. must be D. must have been
(2010天津卷9). Mark _______ have hurried. After driving at top speed, he arrived half an hour early.
needn’t B. wouldn’t
C. mustn’t D. couldn’t
(皖中共同体)—I'm sorry. I ________ angry with you yesterday.
—It doesn't matter. I was a bit out of control myself, too.
A.shouldn't have been
B.mustn't have been
C.shouldn't be D.mustn't be
（09江苏）11. He did not regret saying what he did but felt that he_______it differently.
could express
B. would express
C. could have expressed
D. must have expressed
（2011·江苏卷）34. ---I left my handbag on the train, but luckily someone gave it to a railway official.
---How unbelievable to get it back! I mean, someone ______ it.
A.will have stolen
B. might have stolen
C. should have stolen
D. must have stolen
情态动词常见惯用法：
1. _____ better do (not do)
2._______ rather do…than do
3.____ not ……too/enough
4.can but do _______
You can’t be too careful when you are driving.
You can’t remember enough English words.
had
would
can
只好
I can but agree with you.
情态动词常见惯用法：
5.can’t help but do sth.
can’t but do sth.
can’t choose but do
I can’t but admire your courage .
｝
不得不、不能不
can’t help but admire
can’t choose but admire
情态动词常见惯用法：
6.may/might as well (倒不如、只好)
You might as well do your present job before you find a new one .
7.may well do sth. (很可能)
He may well say so /do that.
8.____ you succeed!
____all your dreams come true!
May
May
(2011江南十校二模)The adopted son resembles his birth mother so much that she ____ well recognize him.
A.could B.can C.might D.may
(2011皖南八校三模)Time is pressing. You cannot start your task _____ soon.
A.too B.very C.so D.as
高中英语语法复习
情态动词语法目录
一、情态动词表能力
二、情态动词表请求、允许
三、情态动词表必要性
四、情态动词表推测
五、情态动词+have done
（能够）
（能不能）
（必须）
（可能）
I can/ am able to swim.
I could/ was able to climb a tree when I was a child.
I will be able to swim next week.
The fire spread through the hotel very quickly but everyone was able to get out.
1. can 表示现在的能力
2. could表示过去的能力
3. be able to 表能力，可用于多种时态
4. be able to 强调成功地做了某事
情态动词表能力
shall
will、would
情态动词表请求、允许
（2011·陕西卷）24.—Will you read me a story ,Mummy
—OK. You________have one if you go to bed as soon as possible.
A.might B. must C. could D. shall
（2007 四川卷）
一What does the sign over there read
一“No person ________ smoke or carry a lighted cigarette，cigar or pipe in this area．”
A．will B．may C．shall D. must
shall
，征求对方意见。
e.g. Shall we begin our class
Shall he go now
2. 二、三人称陈述句，提出命令、允诺等，或用于法律、规定
e.g. You shall get my book on Sunday.
He shall leave the house at once.
The sign reads: No person shall smoke here!
用于第一、三人称疑问句
will would
1. 用于向第二人称，征求对方意见。
e.g. Would you please open the door
2. 表示个人主观意愿。
e.g. I will help you anytime.
3. used to do
would表示“过去常常”；
“过去常常，强调现在不了”
1. When he was there, he ___ go to that coffee shop at the corner every day.
A. would B. should
C. had better D. might
2. —What’s the name of the book
—Khulaifi. _________ I spell it for you
A. Shall B. Would C. Can D. Might
征求对方意见
(2010马鞍山三检)—Has John arrived
—Yes, already.________ he wait outside or just come in
A.Shall B.May C.Could D.Must
(2011江南十校)—What do you mean by this
—No need for you to worry about your money and be angry with me. You _______ get it this afternoon.
A.will B.shall C.may D.need
征求对方意见
允诺
must
need
情态动词表必要性
must 表“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
1. 不必
mustn’t 禁止
情态动词表推测
可能性的强弱层次
must should/ought to can/could
may/might
＞
＞
＞
must表示推测
1. 可能性最强，只能用于肯定句
e.g. That must be my pen.
2. must ---- 一定 can’t ---- 不可能
e.g. (合肥一中及联谊学校联考)Don't give up, dear. You _____ expect to become a millionaire overnight.
can’t
should / ought to表示推测
根据经验的推测，“应当、应该”
e.g. Your photos should be ready by 12:00.
2. 表示“竟然”，带有感彩。
e.g. It is strange that you should like him.
can /could 表示推测
1. 常用于否定句或疑问句。
e.g. （2011·江西卷）23.It _______ be the postman at the door. It’s only six o’clock.
A. mustn’t B.can’t C.won’t D.needn’t
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. （08辽宁卷）Peter ______ be really difficult at times even though he’s a nice person in general.
can
B
may/ might表示推测
1. can not 不可能 may not 可能不
2. “极有可能”________
3. “不妨”____________
may well do
e.g. (08全国Ⅱ）Liza may well not want to go on the trip --- she hates traveling.
may/ might as well do
e.g. You may as well stay for dinner.
(2010湖南卷)You ___ buy a gift, but you can if you want to.
must B. mustn’t
C. have to D. don’t have to
2.(2010重庆卷 21).You park here! It’s an emergency exit.
A. wouldn’t B. needn’t C. couldn’t D. mustn’t
3.（2011·辽宁卷）21. If you __ go, at least wait until the storm is over.
A. can B. may C. must D. will
4.(2011合肥二模)—Is there an express to Beijing tonight
—There _____ be, but you'd better call the booking office to make sure.
A.can B.might C.will D.must
5.(2010儒风一)—I've told her many times, and she still forgot about it!
—I understand. She ________ be very forgetful sometimes.
A.can B.would C.should D.must
must have done
can/could have done
might/may have done
情态动词+have done：表示对过去发生的事进行推测
一定做了…
可能做了…
可能做了…（可能性较小）
情态动词+have done：表示后悔、责备或遗憾
1.本来可以做____________________
2.本该做但没有做________________
3.本不必做______________________
4.might have done_________________
5.当时最好做了某事had better have done
6.当时宁愿做了某事would rather have done
7.过去愿意做但未做成would like/love to have done
8.过去愿意做但未做成would like/love to have done
could have done
should / ought to have done
needn’t have done
本来可以做含责备的语气
【2010安徽卷】32．Jack described his father, who a brave boy many years ago，as a strong-willed man.
A. would be B. would have been
C. must be D. must have been
(2010天津卷9). Mark _______ have hurried. After driving at top speed, he arrived half an hour early.
needn’t B. wouldn’t
C. mustn’t D. couldn’t
(皖中共同体)—I'm sorry. I ________ angry with you yesterday.
—It doesn't matter. I was a bit out of control myself, too.
A.shouldn't have been
B.mustn't have been
C.shouldn't be D.mustn't be
（09江苏）11. He did not regret saying what he did but felt that he_______it differently.
could express
B. would express
C. could have expressed
D. must have expressed
（2011·江苏卷）34. ---I left my handbag on the train, but luckily someone gave it to a railway official.
---How unbelievable to get it back! I mean, someone ______ it.
A.will have stolen
B. might have stolen
C. should have stolen
D. must have stolen
情态动词常见惯用法：
1. _____ better do (not do)
2._______ rather do…than do
3.____ not ……too/enough
4.can but do _______
You can’t be too careful when you are driving.
You can’t remember enough English words.
had
would
can
只好
I can but agree with you.
情态动词常见惯用法：
5.can’t help but do sth.
can’t but do sth.
can’t choose but do
I can’t but admire your courage .
｝
不得不、不能不
can’t help but admire
can’t choose but admire
情态动词常见惯用法：
6.may/might as well (倒不如、只好)
You might as well do your present job before you find a new one .
7.may well do sth. (很可能)
He may well say so /do that.
8.____ you succeed!
____all your dreams come true!
May
May
(2011江南十校二模)The adopted son resembles his birth mother so much that she ____ well recognize him.
A.could B.can C.might D.may
(2011皖南八校三模)Time is pressing. You cannot start your task _____ soon.
A.too B.very C.so D.as