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

(共33张PPT)
Unit 6 Electricity
Modal Verbs
I 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 cannot
We 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.
can
can't
can't
can
can't
can
can
can't
Yes, you may/can.
May/Can I sit down
___________I come in
Yes,you may/can.
No, you may not /can't.
May/Can
B may and may not
We 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
May
I'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/Can
Yes, 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 can
Thanks
can
May
Can
We 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 not
We 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 time
1.I must drink more water.
2.____________________________________3.________________________________
4.I must not________________________
5.________________________________
6.________________________________
The doctor told what to do and what not to do
I 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 Verbs
1.---__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 not
C
A
3.--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
A
4.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
A
C
6.---____ 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
B
B
B
9.–Is that Kate’s car
--It __be hers. She has just gone for a meeting.【2014湖北武汉】
A. can’t B. should C. mustn’t D. may
10.---Lisa ,hurry up !The bus is coming .
--Oh ,no . We____cross the street until the traffic lights turn green .【2014福建】
A. mustn’t B. needn’t C. should
A
A
中考链接
The end