高一英语情态动词PPT课件
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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
17
--- 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.
《情态动词课件》ppt课件
现在式 can
may will shall dare must --need --ought to -----used to
2
过去式 could might would should dared
教学目标：情态动词用法归纳(2) 教学重点：
1.情态动词表示推测; 2.情态动词 + have done 结构；
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5. ●When we got to the cinema, the film hadn’t started, so we needn’t have worried. needn’t have done (过去)本来不必做… ●—Mary didn’t turn up last night, did she? —No, she didn’t need to come. We had changed our plan. (没有必要做而实际上也没做).
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2. ＊— There were already five people in the car, but they managed to take me as well. —It couldn’t have been a comfortable journey.
can’t/couldn’t have done(过去)不可能…
(06陕西）
As you worked late yesterday, you A have come this morning. ___ A. needn’t B. may not C. can’t D. mustn’t
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A at 8:30 for the ◆(04全国) Mr. White_____ meeting, but he didn’t show up. A. should have arrived B. should arrive C. should had arrived D. should be arriving ◆(04福建) —I’ll tell Marry about her new job tomorrow. —You ____ D her last week. A. ought to tell B. could have told D. should have told C. must tell
may will shall dare must --need --ought to -----used to
2
过去式 could might would should dared
教学目标：情态动词用法归纳(2) 教学重点：
1.情态动词表示推测; 2.情态动词 + have done 结构；
7
5. ●When we got to the cinema, the film hadn’t started, so we needn’t have worried. needn’t have done (过去)本来不必做… ●—Mary didn’t turn up last night, did she? —No, she didn’t need to come. We had changed our plan. (没有必要做而实际上也没做).
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2. ＊— There were already five people in the car, but they managed to take me as well. —It couldn’t have been a comfortable journey.
can’t/couldn’t have done(过去)不可能…
(06陕西）
As you worked late yesterday, you A have come this morning. ___ A. needn’t B. may not C. can’t D. mustn’t
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A at 8:30 for the ◆(04全国) Mr. White_____ meeting, but he didn’t show up. A. should have arrived B. should arrive C. should had arrived D. should be arriving ◆(04福建) —I’ll tell Marry about her new job tomorrow. —You ____ D her last week. A. ought to tell B. could have told D. should have told C. must tell
【高中语法复习】情态动词(共48张PPT)
need to do
need do
Need 的回答
Need I come here tomorrow ？ Yes, you must.
No, you needn’t. / you don’t have to.
Johnny, you ____ play with the knife, or you ____ hurt yourself.
猜测
--Oh my god ! Can it be true ? --It can’t be ture.
常用词组积累 can not/ never…too; can’t…enough
can’t help doing
无论怎么…都不过分 禁不住；不由得
I could have worked out the question, but I was too nervous.(过去有能力做但未做)
I must take care of my hairstyle.
must 的回答
-不用mustn’t回答-
Must I go to school today?
Yes,you must !
No, you don’t have to. /needn’t. /had better not.
You mustn’t bully your brother. He must have seen the answer.
时态 单复数 肯定变否定
提问
3
情感和态度
can
could may
might must should
情态动词 情态实意
must, can, could, may, might, ought stohall, should, will, would
need do
Need 的回答
Need I come here tomorrow ？ Yes, you must.
No, you needn’t. / you don’t have to.
Johnny, you ____ play with the knife, or you ____ hurt yourself.
猜测
--Oh my god ! Can it be true ? --It can’t be ture.
常用词组积累 can not/ never…too; can’t…enough
can’t help doing
无论怎么…都不过分 禁不住；不由得
I could have worked out the question, but I was too nervous.(过去有能力做但未做)
I must take care of my hairstyle.
must 的回答
-不用mustn’t回答-
Must I go to school today?
Yes,you must !
No, you don’t have to. /needn’t. /had better not.
You mustn’t bully your brother. He must have seen the answer.
时态 单复数 肯定变否定
提问
3
情感和态度
can
could may
might must should
情态动词 情态实意
must, can, could, may, might, ought stohall, should, will, would
高中英语情态动词精品PPT课件
— Might I watch TV after supper? — Yes, you ________. A. may B. must C. might D. could
.
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3.表推测，表示主观上的推测，“可能，
也许”，不用于疑问句, might比
may的可能性更小
She may not like this place.
—Yes, he _______. A. need B. must C. may D. will
.
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2. must表示肯定的推测。 The light is still on, so he must be at home.
Look at his new car. He ______ have a lot of money. A. should B. shall C. may D. must
I can’t believe my eyes. Such well-educated
gentleman ____ behave like this!
A.will B. would C. should D. must
What time ought I _______?
A．arrived
B．arriving
C．arrive
D．to arrive
He _______ speak to his mother like that. A．ought not to B．doesn’t ought to C．not ought to D．ought to not
.
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1. should= ought to 表示劝告，建议，意 为“应该”， ought to 语气更强些，强调“有责任，有 义务做”
《英语情态动词》PPT课件
(12) You can't be too careful while driving. 开车时越小心越好。
【结论6】 cannot ... too/enough表示“无论……也不过 分”；“越……越好”。用来加强语气。 (13) I couldn't but choose to wait.
【结论7】cannot but do sth. 不得不；只好 (14) They were able to put out the fire without any help from the firefighters.
(8) Can it be true? (9) You can't be serious! (10) Oh, dear, what on earth can this mean? (11) How could you do such a silly thing? 你怎么能做那样的蠢事呢？ 【结论5】表示惊讶、怀疑、不相信的态度，常用在否 定句、疑问句和感叹句中。
(3)表示“偏执”，“固执” “偏要、硬要” 。 — How old are you, madam? — If you must know, I'm twice my son's age. Don't interrupt me, John. Must you force me to tell you the truth at the moment?
A computer can’t think for itself; it must be told what to do.（一般能力） 句意为：对绝大多数受到威胁时而不能起身逃跑的植物 He is a native speaker of English, so he can of course 来说，最大的问题是动物喜欢吃它们。情态动词can 可 speak English quite well.（一般能力） 表示对能力的否定。 I以表示人的能力和物的性能，故选 am starving to death. I can eat twoB bowls of rice now. （现在的能力） The biggest problem for most plants, which ___just get up and run away when threatened, is that animals like to eat them.(07湖南) A. shan’t B. B can’t C. needn’t D. mustn’t
情态动词讲解 高一ppt
Grammar Modal verbs （情态动词）
How many modal verbs
do you know?
1 can / could / be able to
2 may/might 3 must / have to 4 shall / should 5 will / would 6 need / dare
肯定回答，Yes, please. Certainly. Yes, of course. Sure Go ahead, please. 否定回答 No, you can't.(最常见) No, you mustn't(表示 强烈禁止的意怃) Please don't. You'd better not. I don't think you can. I'm sorry it's not allowed. 2.表示推测，可译为“可能，也许” Your Math teacher may/might be in his office. (一般情况下，might表示的可能性极小) The light isn't on. It may/ might be broken. 注意：用may表推测，一般丌用亍疑问句，在疑问句中 通常用can来代替 Can he be at home? ---Can it be true? -----It may be, or it may not be.
• 2.be able to比can有更多的形式 No one could answer the question.没人能回答这个问题。 =No one was able to answer the question. When he grows up, he will be able to support his family. 当他长大了，他将可以养家糊口。 Frank is ill. He hasn't been able to go to school for one week. Frank 生病了，一星期没能去上学了 I'm sorry for not being able to help you in time. 对丌起，丌能及时帮你的忙
How many modal verbs
do you know?
1 can / could / be able to
2 may/might 3 must / have to 4 shall / should 5 will / would 6 need / dare
肯定回答，Yes, please. Certainly. Yes, of course. Sure Go ahead, please. 否定回答 No, you can't.(最常见) No, you mustn't(表示 强烈禁止的意怃) Please don't. You'd better not. I don't think you can. I'm sorry it's not allowed. 2.表示推测，可译为“可能，也许” Your Math teacher may/might be in his office. (一般情况下，might表示的可能性极小) The light isn't on. It may/ might be broken. 注意：用may表推测，一般丌用亍疑问句，在疑问句中 通常用can来代替 Can he be at home? ---Can it be true? -----It may be, or it may not be.
• 2.be able to比can有更多的形式 No one could answer the question.没人能回答这个问题。 =No one was able to answer the question. When he grows up, he will be able to support his family. 当他长大了，他将可以养家糊口。 Frank is ill. He hasn't been able to go to school for one week. Frank 生病了，一星期没能去上学了 I'm sorry for not being able to help you in time. 对丌起，丌能及时帮你的忙
高中英语情态动词各种用法课件(共47张PPT)
一 、表能力 ：表现在的或一般的能力：表示 现在的或一般的能力用can 或 be able to. 一 般的能力是指你无论什么时候做什么事情就 能做到的能力。表示现在的能力或一般的能 力时，can比be able to 更普遍。
A computer can’t think for itself; it must be told what to do. （表示一般的能力）
This can’t / couldn’t be done by him. (表示不 相信)
He could be on his way home now. （could 不 如 may / might常用）
Can this be done by him? （表示一种疑惑、 惊讶）
（3）would, could, should, might 并不一定 与过去的时间有关，而是表示可能性弱于他 们相应的现在形式。如：
do something / succeeded in doing sth.
The fire spread through the hotel very
quickly but everyone was able to get out. (过去有能力并成功地做了某事)
(3) could have + 过去分词，表示过去有 能力做但未做。
表示对过去已经发生的行为进行推测，意为 “想必 / 准是/ 一定做了某事
It must have rained last night, for the road was quite muddy.
The lights were out. They must have been asleep.
2. can have done
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
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That may/might be a better thing to do. ( Possibility)
Calculators may not be used in the
examination.
(Permission)
May I be excused? (requests for permission)
cinema. 1.I have a drink. (CERTAIN) 2.I have coffee. (IMPOSSIBLE) 3.I have tea. (POSSIBLE) 4.We work tonight. (POSSIBLE) 5.You work tonight. (IMPOSSIBLE) 6.I work tonight. (CERTAIN)
• POSSIBLE • IMPOSSIBLE • CERTAIN We go out. (CERTAIN) We’ll go out. We stay at home. (IMPOSSIBLE) We can’t stay at home. We go to the cinema. (POSSIBLE) We might go to the
Grammar
Modal verbsⅡ 情态动词
Unit2.book3
By Jerry
整体概况
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Revision
Tell the functions of the modal verbs.
• Must + have + past participle is used to draw a conclusion(得出结论,推论) about something that happened in the past,
or a good thing to do)
The letter should/ought to arrive by Friday.
(Probability, indicating that someone expects something to be true or to happen)
Modal Verb Drill
The children shouldn’t/oughtn’t to drop litter on
the floor.
(Obligation)
He should/ought to cycle to work, the exercise
would be good for him.
பைடு நூலகம்
(Suggestion, saying what is the best
It is necessary that you wear shoes. You must/have to wear shoes. It is not necessary that you wear shoes. You don’t have to wear shoes. It is necessary that you do not wear shoes. You mustn’t wear shoes. It is possible that he went to the dentist.
You must go. (an internal need or obligation) You have to go . (an external need or obligation) You mustn’t go . (prohibition 禁止) You don’t have to go .(an absence of obligation or You can use my phone if nyoeuedw)a. nt . (permission)
Paris can be very hot in summer. (possibility)
The chicken must be cooked thoroughly.(Necessity
You have to book in advance. (Necessity )
Visitors must remove all footwear before entering. (stating formal rules and regulations ) I will see you tomorrow. (willingness or prediction)
7.I go home. (necessity) 8.We look after the old. (duty/obligation) 9.We do the work right now. (suggestion) 10.We are late. (prohibition)
Reformulate(改写) the following sentences using modal verbs
He may have gone to the dentist.
Match the Answers to the Questions
and study the modal verbs.
Modal verbs+have+past participle
• May/might + have + past participle can be used to talk about a possible event in the past, e.g.
1.Do you think Amy might have arrived by now? sometimes be used to talk about a possible
event occurring before a time in the future, e.g. 2.It might have been sold by the time we get there.