广东省深圳市 Module 3 Unit 6 Electricity Grammar 课件

课件31张PPT。Unit 6 ElectricityModal VerbsI can play basketball
well. Can you?No, I can’t. But
I can swim fast.I can sing beautiful
songs. Can you?No, I can’t. But
I can play konfu.
Can you?
No, I can’t. A can and cannotWe use can and cannot(can’t) to say we are able or not able to do things.We can use electricity to do many things.
We cannot(can't)electricity.
Can you think of an example?
Yes, I can./ No, I cannot(can't).1.Hi ______ play football.
2.Lo ________ paint pictures.
3.Hi _____ speak as many languages as Lo.
4.Both Hi and Lo______ dance.
5.Lo _____ drive a car, but he _____play chess.
6.Hi ____ swim, but he _______ play the guitar.
cancan'tcan'tcancan'tcancancan'tYes, you may/can.May/Can I sit down?___________I come in?Yes,you may/can.No, you may not /can't.May/CanB may and may notWe use may and may not to ask for and Give permission(许可）. We also use can and cannot (can’t) for the same purpose. May/Can I use you mobile phone?
Yes, you may/can.
No,you may not/can't.
How are you feeling,Daisy ?Not very well. ____I get you a chair? Yes, thanks
MayI'm going out. __________
I borrow your new bicycle?Yes,you may.Before you go to meet your friends,can you come and see the doctor with me?May/CanYes, I____._____I carry your bag for you? Yes,that's very kind of you, Benny. I 'm ready to go._____you open the door for me? Yes,I canThankscanMayCanWe must save water.
We must not waste water.You mustn’t smoke.
Must you do homework now?Yes, I must. Must you do your homework?No, I needn’t.Can you play with me?Sorry, I can’t.You may/can play with Jim.C must and must notWe use must and must not (mustn’t) to tell people what to do or what not to do. You must not/mustn't do that Benny!
We must always be careful with electricity.
They must not/mustn't play near the heater.drink more water go to bed early
eat cold food share cups with others
go out alone take the medicine on time1.I must drink more water.
2.____________________________________3.________________________________
4.I must not________________________
5.________________________________
6.________________________________The doctor told what to do and what not to doI must go to bed early.I must take the medicine on time.eat cold food.I must not share cups with others.I must not go our alone.情态动词（modal verbs)：表示说话人的语气或情态，如请求、命令、愿望、能力以及可能性等。英语的情态动词有： can/could
may/might
must
ought to
shall/should
will/would
dare/dared
need
have to 能够
可能
必须
应该
应该
意愿
敢
需要
不得不+ 动词原形 can/
could能，能够，会，可以
We can speak Chinese.
He can draw pictures.许可
You can (=may) go home now.表怀疑，难以置信
He couldn’t(can’t) be her father,
For he’s too young.注意：could为can的过去式外，could还有表示语气婉转之义。
Could I come in?比Can I come in?更有礼貌。
但答语还用Yes, you can. No, you can’t. may/
might允许；请求
May I have a glass of water?
May you borrow me your pen?可能；也许 (may比might语气强）
They may be in the library now.
He might be at home.表示祝愿
May you always be young.注意：might为may的过去式外，might还有
表示语气婉转之义。Might I have a look??
比May I have a look?更有礼貌。但答语还用Yes, you may. No, you may not. must必须；应该
We must work harder.Must not意为不应该；不许；
We must not be afraid of difficulties.
You mustn’t smoke here.注意：must的提问肯定回答用must,否定用 needn’t
---Must I return the book?
---Yes, you must.
---No, you needn’t.情态动词记忆口诀情态动词两要点; 动词原形跟后面,
could/might说话语气较委婉,
can表能力 may许可,
must 责任或义务, 否定回答needn't换;
should/ought to应该, will/would 愿,
have to 被迫 ,表客观. Test for Modal Verbs1.---__I download the article again?
---No, you needn’t.
A.Shall B.Will
C. Must D. Can
2.---Must I stay at home, Mum?
---No, you ___.
A.needn’t. B.mustn’t
C. don’t D.may notCA3.--May I go out to play basketball, Dad?
---No, you _____. You must finish
your homework first.
A.mustn’t B may not
C. couldn’t D. might not
A4.A computer _____ think for itself. It
must be told what to do.
A.can’t B. couldn’t
C. may not D. should
5.---Could I borrow your dictionary?
---Yes, you ____.
A. might B. must C. can D. should
AC6.---____ the man there be our new teacher?
---He _____ be, but I’m not sure.
A.May, mustn’t B.Can; may
C.Must; can’t D. Can; can’t
7.You _____ be more careful next time.
may B. must C. could D. might
8.Students ________ smoke.
can’t B. mustn’t C. might not BBB