Unit 2 Sporting events Grammar and usage(2)_ Modal verbs 课件（47张）

课件47张PPT。Modal verbsObjectives:
In this session:
Ss are able to get familiar with the basic meanings of different modal verbs.
2. Ss are able to grasp the deductive meanings of modal verbs.
3. Ss are able to identify different modal verbs used in subjunctive mood. can (could)
may (might)
must
dare/need
shall
should
will (would)情态动词“You mustn’t sigh and you mustn’t cry.”
“I know I can be what I wanna be.”Founder of New Oriental SchoolThe answer may disappoint you. It can’t help but to do it by yourself. Can the shortcut in English learning be found?You could have devoted efforts to English but still can’t achieve anything. English learning can be difficult.How can I improve my English? May I find the possible solutions?You may as well enlarge your vocabulary first. If you are able to insist on it, you will make it one day.Must I recite the words? I wasn’t able to keep them in mindI’m afraid so. You can’t stress the importance of word too much. Can the shortcut in English learning be found?
It can’t help but do it by yourself.
You could have devoted efforts to English but still can’t achieve anything.
English learning can be difficult.
How can I improve my English?
You can’t stress the importance of word too much.
1.能力 2.许可 3.猜测（用于疑问句、否定句）
4. 有时候会…（客观存在的可能性，肯定句）can could have done
can/could… have done ?
can’t/couldn’t have done
可能已做了(肯定句)
可能做过…吗？（疑问句）
不可能做过 （否定句）1.She _____________________ the matter.
(可能已经解释了)
2. __________________________a lie?
(她可能说谎了吗）
3.He _________________________. (他不可能说了那个)
could have explainedCan she have told can’t/ couldn’t have said that can not too/enough
can’t help but do sth.
can’t but do
can’t choose but do
You __________________when you are taking the exam.
You __________________________English words.
I _______________ (admire) your ability .
can相关搭配can’t be too careful can’t remember enough can’t but admire不得不can / be able to 1.I can’t keep the words in mind, but I will be able to overcome it.
2. Only when you insist on it, ___________________ escape from sufferings of English learning.
can有现在时、过去时；现在泛指的能力
be able to有各种时态；指某种特定的能力(经过努力)；不可用于被动语态。will you be able to may The answer may disappoint you.
May I find the possible solutions?
You may as well enlarge your vocabulary first.
1. 许可，允诺（may较正式，can较口语化）1.You may go home now, Susan.2.You may not smoke in the classroom.3.May I sit down?
—Certainly./ Yes,please./ Why not?/ Sure.
—No, I am sorry./ I’m afraid you can’t.2. 猜测、可能性（用于肯定句和否定句中）1.What Mr. Yu said may or may not be true.
2.Can that be true?
May that be true?
3.You can’t read my thoughts.
You may not read my thoughts.may 推测不可能
可能不 may have done可能已经做过You may have missed some chances of catching up with others. You may well spend more efforts making up for it . May you succeed finally.may 相关搭配 may/ might as well do
may well do
may you succeed/ wish you success.很可能祝愿…还是……的好,倒不如A little bird told me… It is surprising that Mr. Yu should take college entrance examination three times.
He should have obeyed the school rules as a teacher in Peking University, but he did part-time job outside.
should 1.I suggest that you should go on
diets.
2.These photos should be ready by 12:00.
3.If he should come, please let me know.4) 在if条件句中，“万一”。2) 表意外， 意外或惊讶，“竟然”；3) 表推测，指很可能会发生的事，“理应,很可能”；1) 表应该，对别人的规劝或义务责任5) should have done 本应该---I wonder if I can board the plane with this return ticket.
---There____ be no problem. Your ticket is valid until the
end of this month.
A. must B. shall C. should D. mightC________ it snow tomorrow, we _______ stay at home surfing the Internet.Shouldwould If you continue doing part-time job as a teacher in Peking University, you shall be punished.
Shall he stay in PeKing University? warningHe resigned finally.Shall I have a second try？
You shall fail if you don’t work harder.
You shall get a mysterious gift if you make much progress in English learning.第一、三人称疑问句，表请求。
2. 第二、三人称陈述句中，表命令、警告、威胁和许诺或规定：
shall如果你不努力，你会失败的。我可以再尝试一次吗？如果你在英语学习上取得很大进步，你会得到一份神秘礼物。1. He ______ be punished if he disobeys.
如果他不服从, 就要受到惩罚.
2. You ____ remain seated before your papers are
collected.
3. --Sir, ____ he go or stay?
--Let him go.
A. will B. shall C. might D. could
shallB shallWill you share your experiences of your life?I had participated in the College Entrance Examination three times. I would learn while working. I would have done the labor if I hadn’t passed it. You must have made a firm decision to go to the university. That means I must depend on myself. 1.If you _________(listen)to me, I’ll tell you about it.
2. The door _______ open.
这门经常打不开.
3. Ronald ______ stay in his small garden for
a long time every day in the past.
A. could B. might C. should D. would
4. _________________in learning English?won’tD Will 1.表意愿；2.第二人称疑问句，表征求意见；3.习惯性动作；4.事物的性能will listen Will you give a hand would do 过去常常
would have done 本会 （虚拟）would/ used to He ________ be a lazy boy, but now he is diligent.
I would be very slim.
used to beused to都可表示过去的习惯；would过去的习惯性动作，而used to “过去常常现在不这样了”, 动作和状态都可。1、必须、一定 2、偏偏 3.猜测（用于肯定句）Must I recite the words?
2. You ________copy others’ homework.
3. Must you make so much noise since others are doing homework?
Yes, you must.
No, you needn’t ./ you don’t have to.must not 禁止must Mr. Yu must have a strong will and positive attitudes.
He must have made every effort to achieve his aim since young.
must have done
must do,___________?,___________?doesn’t hehasn’t heI heard you should resign from your post in Peking University. How dare you do like this.I _____________________ (not dare) do that. The serious situation forced me to make that choice.
I dare say I was angry then.
didn’t dare to / dared not情态动词 (+动词原形)行为动词 2.尤其用于：*否定句及疑问句中;*在if/whether之后; 2. (sb.) need to do
dare to do
(sth.) need to be
done
(sth.) need doing
I dare say. 我想，大概1.有人称和数的变化.(各种句子)4.过去时：dared3.否定形式：needn’t 和 daren’t do。needdareneed 、 dare（可兼做行为动词的情态动词）：These dishes need be cleaned carefully.
These dishes need to be cleaned carefully.
These dishes need cleaning carefully.He ______ go through the woods.
dare not B. dares not
C. dares not to D. not dareOnce we made the unpleasant choice, we needn’t have been in sadness for a long time. Adoesn’t dare (to) can (could)
may (might)
must
dare/need
shall
should
will (would)Practice time: Translationsentences一个人没有目标是不可能成功的One can’t succeed without aims. Translation成功的过程有时是痛苦的。The process of achieving success can be painful. Translation我们再努力也不为过。We can’t be too devoted to study.Translation我们很可能在人生关键时刻要做出选择。既然选择就只能面对We may as well make a choice at a crossroads in life. We can’t but to face it once choosing. 1. There is someone knocking at the door. ???????
it be Tom?? A. can? B. must? C. should? D. ought to
2. I _____ thank you too much for all your help to
my son while we were away from home. (2012，
山西)
?? A. won’t?? B. can’t??
C. can D. will
A B 情态动词考题:3. ---How are we going to the railway station?
---By bus. Attempting to call a taxi in our city,
especially during rush hour, ____ be an exercise in frustration.
A. should B. used to C. can D. will
4. _____ you interrupt now? Can’t you see I’m on
the phone?
____ sorry sir, but it’s urgent. (2012,重庆)
A. Can? B. Should
C. Must D. WouldC C 5. ______ fired, your health care and other benefits
will be immediately cut off.
A. Would you be B. Should you be
C. Could you be D. Might you be
6. One of our rules is that every student _____ wear
school uniform while at school.(2012,辽宁)
A. might B. could C. shall D. will
BC7. We didn't see Tom at the meeting yesterday.
He ??????? it.? A. mustn't have attended?
B. cannot have attended? C. needn't have attended?
D. would have not attended
8. Mark ______ have hurried. After driving at top
speed,he arrived half an hour early.(2010, 天津)
A. needn’t B. wouldn’t
C. mustn’t D. couldn’t
B A 9.We ______ the difficulty together, but why didn’t you tell me? (2012, 北京)
A. should face B. might face
C. could have faced D. must have faced
10. We lost our way in that small village, otherwise we ______ more places of interest yesterday. (2012, 福建)
A. visited B. had visited
C. would visit D. would have visited
DCMay everyone in our class succeed in the coming College Entrance Examination! The answer may disappoint you.
Can the shortcut in English learning be found?
You could have devoted efforts to English.
You may have missed some chances of catching up with others.
You must have made a firm decision to go to the university.

表示推测表示推测——情态动词的重要用法.肯定的推测
可能的推测
否定的推测
疑问的推测 must(肯定句) 对将来 对现在 对过去情态动词may, might
（肯定句、否定句） can’t,
couldn’tcan, could + V/be + V. + have done
+ be doing + V. + have done
+ be doing
+ V. + have done
+ be doing + V. + have done
+ be doing+ V/be+ V/be+ V/be 1. I don't know where she is, she _______ be in
Wuhan.
2. At this moment, our teacher ________________
our exam papers.
这时，我们老师想必在批改试卷。
3. The road is wet. It ________________ (rain)
last night.
4. Your mother ______________________ for you.
　你妈妈一定一直在找你。
Practice (推测)maymust be markingmust have rainedmust have been looking5. Philip ________________________ seriously in
the car accident. 菲利普可能在车祸中受了重伤.
6. Mike ________________ his car, for he came to
work by bus this morning.
　迈克一定还没有找回他的车，因为早上他是坐公共汽车来上班的。Practice (推测)may (might) have been hurtcan’t have found He should have obeyed the school rules, but he did part-time job outside.
I would have done the labor if I hadn’t passed it.
Once we made the unpleasant choice, we needn’t have been in sadness for a long time.
表示虚拟Ⅲ 用于虚拟语气的情态动词:should
ought to
might
could
would
needn’t
+have done本应该做（实际未做）本可以做（实际未做）本会做（实际未做）本没必要做（实际做了）1.You ________________ (take) a taxi here, for it was very near to my home.2.His ability ____________________ (remain) hidden had it not been for his deafness.3.He hesitated for a moment before kicking the
ball, otherwise he ____ a goal.had scored B. scored
C. would score D. would have scored4. I was really anxious about you. You______ home without a word.mustn’t leave B. shouldn’t have left
C. couldn’t have left D. needn’t leaveneedn’t have takenmight have remainedDB5. ---You passed the final exams, didn’t you?
----Yes, but for your help, I _______.
didn’t succeed B. wouldn’t succeed
C. wouldn’t have succeeded D. won’t succeed.
6. Had I known about this computer program, a huge amount of time and energy_______.(2010,
浙江)
would have been saved B. had been saved
C. will be saved D. was saved
CA