牛津版深圳版英语七年级下册 Module 3 Unit 6 Electricity. Grammar 课件 (共28张PPT)
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| 名称 | 牛津版深圳版英语七年级下册 Module 3 Unit 6 Electricity. Grammar 课件 (共28张PPT) |  | |
| 格式 | pptx | ||
| 文件大小 | 1.8MB | ||
| 资源类型 | 教案 | ||
| 版本资源 | 牛津深圳版 | ||
| 科目 | 英语 | ||
| 更新时间 | 2022-06-17 23:58:54 | ||
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(共28张PPT)
情态动词
can may must
To learn about the modal verbs can,
may and must.
objective
Have A L k
1. We can use electricity to do many things.
2. ---Can you think of an example
---Yes, I can./ No, I cannot/can’t.
3. ---May/Can I use your mobile phone
---Yes, you may/can.
---No, you may not/can’t.
4. You must not/mustn’t do that, Benny.
5. We must always be careful with electricity.
Modal verbs
A can and cannot
We use can and cannot (can’t) to say we are able or not able to do things.
①We can use electricity to do many things.
②We cannot/can’t see electricity.
③---Can you think of an example
---Yes, I can./No, I cannot/can’t.
can表示某人具备能力做某事，意为“能；会” 。
can & can’t
①I can play the piano quite well.
我能把钢琴弹得相当好。
②She cannot swim.
她不会游泳。
③— Can you solve the math problem
你能做出这道数学题吗？
— Yes, I can./ No, I can’t.
是的，我能。/不，我不能。
肯定句: 主 + can + 动词原形 ……
否定句: 主 + can’t (cannot) + 动词原形 ……
一般疑问句: Can + 主 + 动词原形 …
肯定回答:Yes, 主+can.
否定回答:No,主+can’t.
can
cannot
cannot
can
cannot
can
can
cannot
A Hi and Lo are talking about themselves. What are they saying Read their conversation and then complete the statements below with can or cannot.
P 78
B may and may not
We use may and may not to ask for and give permission. In less formal situations, some people like to use can and cannot for the same purpose.
①---May/Can I use your mobile phone
---Yes, you may/can.
---No, you may not/can’t.
②You may/can turn on the TV.
③You may not/cannot play in the kitchen.
may & may not
①You may/ can turn on the TV.
你可以打开电视机。
②You may not/ cannot play in the kitchen.
你不可以在厨房玩耍。
③—May I come in
— 我能进来吗？
—Yes, you may/ can. /No, you may not/ can’t.
—是的，你能。/ 不，你不能。
may意为“能；可以”，表示提出委婉的请求或表示许可。
can也可用来征求意见或表示许可，一般可互换，但是may比较正式，can则比较口语化。
肯定句: 主 + may/can + 动词原形 ……
否定句: 主 + may not/ cannot + 动词原形 ……
一般疑问句: May + 主 + 动词原形 …
肯定回答:Yes, 主+may/can.
否定回答:No,主+may not/can’t.
may 较多用于一般疑问句中。
May/Can
May
can
May
Can
Daisy is not feeling well today. Benny is at home with her. Read their conversation below. Fill in the blanks with may or can.
We use must and must not (mustn’t) to tell people what to do or what not to do.
C must and must not
①You must not/mustn’t do that, Benny!
②We must always be careful with electricity.
③They must not/mustn’t play near the heater.
①I must phone my sister.
我必须给我姐姐打个电话。
②You must visit us while you’re in London.
你在伦敦期间一定要来看我们。
③You mustn’t tell the news to anyone else.
你一定不能把这个消息告诉其他人。
④You mustn’t drink the water from the river.
你们不能喝这河里的水。
must & mustn’t
must表示“必须做某事”或“一定要做某事”，具有强制性。
肯定句: 主 + must + 动词原形 ……
否定句: 主 + mustn’t + 动词原形 ……
Find out the usages -- must
1.We must be careful with the fire.
2. You mustn’t play near the heater.
3. Must I finish all my homework
4. No, you needn’t./Yes, you must.
观察must此时表示什么？
To tell people what to do or what not to do.
Sentence patterns
Affirmative Subject + must + verb (base form) + (object).
Negative Subject + must not / mustn’t + verb (base form) + (object).
Yes/No questions Must + subject + verb (base form) + (object)？
No, subject + needn’t. / Yes, subject +must.
Daisy saw a doctor. The doctor told her what to do and what not to do. Help her write down the doctor’s instructions.
P 79
I must go to bed early.
I must take the medicine on time.
eat cold food
I must not go out alone.
I must not share cups with others.
You will be given several situations. After reading the descriptions and looking at the pictures, decide what you would say in these situations.
a. A man is going to see his boss. He is standing at the doorway.
May I come in
b. A student is going to ask the teacher a question.
May I ask you a question
c. A boy is thirsty. He is asking his mother for something.
May I have some water
d. A shop assistant is serving a customer.
May I help you
What do these signs mean
（You mustn’t smoke here.）
（You mustn’t climb this ladder.）
（You mustn’t swim here.）
（You mustn’t use your mobile phone here.）
Work out the rule
Summary
注: word 文档
点击此处链接
Ⅰ. 用情态动词can/may/must或其否定形式完成句子。
1. Jenny is blind, so she ________ see anything.
2. — Excuse me. ________ I use your umbrella
— Of course. Here you are.
3. You _____________ play with a knife. It’s dangerous.
4. Jim ________ play basketball well. It’s easy
for him.
5. — ________ I return the book to the library
today
— Yeah. You see, today is the deadline (截止日).
can’t
May/Can
mustn’t/can’t
can
Must
Ⅱ. 根据所给汉语提示，完成下列句子。每空一词。
1. 他会唱歌和弹吉他。
He ________ ________ and play the guitar.
2. 明天我可以带我的朋友去那儿吗？
________ ________ take my friend there tomorrow
3. 你一定不要告诉你爷爷这个坏消息。
You ________ ________ your grandpa the bad news.
4. 这只鸟翅膀受伤了，它不能飞了。
The bird hurts its wing and it _______ _______.
5. 我可以看一下你的邮票集吗？
____________ ___ have a look at your collection of stamps
can sing
May/Can I
mustn’t tell
can’t fly
May/Can I
6. 每个人必须六点前完成工作。
Everyone _______ _______ the work before six o’clock.
7. “我可以和你去吗？”“不，不可以。”
“May I go with you ” “No, you ________ ________.”
8. 十点半了，我们必须出发去火车站了。
It’s ten thirty and we ________ ________ for the train station.
must finish
may
not
must leave
Ⅲ. 改错。将正确的句子写在横线上。
1. Sam is from the US, but he can speaking Chinese. ( )
2. — Excuse me. May I sit here ( )
3. — Must you help me with my Maths, Jack
— Yes, I can. ( )
4. You may play here. It’s against the rule. ( )
___________________________________
may not/can’t/mustn’t
Can
F
T
F
F
speak
Ⅳ. 翻译下列句子。
1. 我们可以用太阳能发电。
_______________________________________________
2. 我可以借用一下你的词典(dictionary)吗？
_______________________________________________
3.每个人出门必须戴口罩(wear a mask)。_______________________________________________
Everyone must wear a mask when they go out.
4. 儿童禁止在路边踢球。 ______________________________________________________
5. 人们禁止在加油站(gas station)吸烟。 _____________________________________________________
6. -我必须今晚完成所有任务吗？-不，不需要______________________________________________________
We can use solar power to produce electricity.
May I use your dictionary
Children mustn’t play football on the roadside.
-Must I finish all the tasks tonight –No, you needn’t.
People mustn’t smoke at the gas station.
Tony is eighteen years old. Last Sunday, hesaid to his dad, “(1)________ I drive your car to Forest Park with Jenny, Dad ” “Of course you (2)________. You haven’t got your driver’s license (驾照), and you (3)________ drive well. Why don’t you take the bus there ” his dad said. “The bus is always crowded. I (4)________ stand all the way there if I take it.” “Well, I (5)________ send an important email right now. I (6)________ drive you there after that.” “That’s great. Thanks, Dad. But (7)________ we pick up my friend Jenny on Centre Street ” Tony asked. “OK, no problem. Remember that you (8)______________ play in dangerous places when you get there. Now, (9)________ you go and turn on the computer for me ” “Sure, Dad. Oh, I (10)________ wait to tell Jenny through WeChat.”
Ⅴ. 从方框中选择合适的情态动词，完成短文。
can, can’t, may, must, mustn’t
Can/May
can’t
can’t
must
must
can
can
mustn’t/can’t
can
can’t
情态动词
can may must
To learn about the modal verbs can,
may and must.
objective
Have A L k
1. We can use electricity to do many things.
2. ---Can you think of an example
---Yes, I can./ No, I cannot/can’t.
3. ---May/Can I use your mobile phone
---Yes, you may/can.
---No, you may not/can’t.
4. You must not/mustn’t do that, Benny.
5. We must always be careful with electricity.
Modal verbs
A can and cannot
We use can and cannot (can’t) to say we are able or not able to do things.
①We can use electricity to do many things.
②We cannot/can’t see electricity.
③---Can you think of an example
---Yes, I can./No, I cannot/can’t.
can表示某人具备能力做某事，意为“能；会” 。
can & can’t
①I can play the piano quite well.
我能把钢琴弹得相当好。
②She cannot swim.
她不会游泳。
③— Can you solve the math problem
你能做出这道数学题吗？
— Yes, I can./ No, I can’t.
是的，我能。/不，我不能。
肯定句: 主 + can + 动词原形 ……
否定句: 主 + can’t (cannot) + 动词原形 ……
一般疑问句: Can + 主 + 动词原形 …
肯定回答:Yes, 主+can.
否定回答:No,主+can’t.
can
cannot
cannot
can
cannot
can
can
cannot
A Hi and Lo are talking about themselves. What are they saying Read their conversation and then complete the statements below with can or cannot.
P 78
B may and may not
We use may and may not to ask for and give permission. In less formal situations, some people like to use can and cannot for the same purpose.
①---May/Can I use your mobile phone
---Yes, you may/can.
---No, you may not/can’t.
②You may/can turn on the TV.
③You may not/cannot play in the kitchen.
may & may not
①You may/ can turn on the TV.
你可以打开电视机。
②You may not/ cannot play in the kitchen.
你不可以在厨房玩耍。
③—May I come in
— 我能进来吗？
—Yes, you may/ can. /No, you may not/ can’t.
—是的，你能。/ 不，你不能。
may意为“能；可以”，表示提出委婉的请求或表示许可。
can也可用来征求意见或表示许可，一般可互换，但是may比较正式，can则比较口语化。
肯定句: 主 + may/can + 动词原形 ……
否定句: 主 + may not/ cannot + 动词原形 ……
一般疑问句: May + 主 + 动词原形 …
肯定回答:Yes, 主+may/can.
否定回答:No,主+may not/can’t.
may 较多用于一般疑问句中。
May/Can
May
can
May
Can
Daisy is not feeling well today. Benny is at home with her. Read their conversation below. Fill in the blanks with may or can.
We use must and must not (mustn’t) to tell people what to do or what not to do.
C must and must not
①You must not/mustn’t do that, Benny!
②We must always be careful with electricity.
③They must not/mustn’t play near the heater.
①I must phone my sister.
我必须给我姐姐打个电话。
②You must visit us while you’re in London.
你在伦敦期间一定要来看我们。
③You mustn’t tell the news to anyone else.
你一定不能把这个消息告诉其他人。
④You mustn’t drink the water from the river.
你们不能喝这河里的水。
must & mustn’t
must表示“必须做某事”或“一定要做某事”，具有强制性。
肯定句: 主 + must + 动词原形 ……
否定句: 主 + mustn’t + 动词原形 ……
Find out the usages -- must
1.We must be careful with the fire.
2. You mustn’t play near the heater.
3. Must I finish all my homework
4. No, you needn’t./Yes, you must.
观察must此时表示什么？
To tell people what to do or what not to do.
Sentence patterns
Affirmative Subject + must + verb (base form) + (object).
Negative Subject + must not / mustn’t + verb (base form) + (object).
Yes/No questions Must + subject + verb (base form) + (object)？
No, subject + needn’t. / Yes, subject +must.
Daisy saw a doctor. The doctor told her what to do and what not to do. Help her write down the doctor’s instructions.
P 79
I must go to bed early.
I must take the medicine on time.
eat cold food
I must not go out alone.
I must not share cups with others.
You will be given several situations. After reading the descriptions and looking at the pictures, decide what you would say in these situations.
a. A man is going to see his boss. He is standing at the doorway.
May I come in
b. A student is going to ask the teacher a question.
May I ask you a question
c. A boy is thirsty. He is asking his mother for something.
May I have some water
d. A shop assistant is serving a customer.
May I help you
What do these signs mean
（You mustn’t smoke here.）
（You mustn’t climb this ladder.）
（You mustn’t swim here.）
（You mustn’t use your mobile phone here.）
Work out the rule
Summary
注: word 文档
点击此处链接
Ⅰ. 用情态动词can/may/must或其否定形式完成句子。
1. Jenny is blind, so she ________ see anything.
2. — Excuse me. ________ I use your umbrella
— Of course. Here you are.
3. You _____________ play with a knife. It’s dangerous.
4. Jim ________ play basketball well. It’s easy
for him.
5. — ________ I return the book to the library
today
— Yeah. You see, today is the deadline (截止日).
can’t
May/Can
mustn’t/can’t
can
Must
Ⅱ. 根据所给汉语提示，完成下列句子。每空一词。
1. 他会唱歌和弹吉他。
He ________ ________ and play the guitar.
2. 明天我可以带我的朋友去那儿吗？
________ ________ take my friend there tomorrow
3. 你一定不要告诉你爷爷这个坏消息。
You ________ ________ your grandpa the bad news.
4. 这只鸟翅膀受伤了，它不能飞了。
The bird hurts its wing and it _______ _______.
5. 我可以看一下你的邮票集吗？
____________ ___ have a look at your collection of stamps
can sing
May/Can I
mustn’t tell
can’t fly
May/Can I
6. 每个人必须六点前完成工作。
Everyone _______ _______ the work before six o’clock.
7. “我可以和你去吗？”“不，不可以。”
“May I go with you ” “No, you ________ ________.”
8. 十点半了，我们必须出发去火车站了。
It’s ten thirty and we ________ ________ for the train station.
must finish
may
not
must leave
Ⅲ. 改错。将正确的句子写在横线上。
1. Sam is from the US, but he can speaking Chinese. ( )
2. — Excuse me. May I sit here ( )
3. — Must you help me with my Maths, Jack
— Yes, I can. ( )
4. You may play here. It’s against the rule. ( )
___________________________________
may not/can’t/mustn’t
Can
F
T
F
F
speak
Ⅳ. 翻译下列句子。
1. 我们可以用太阳能发电。
_______________________________________________
2. 我可以借用一下你的词典(dictionary)吗？
_______________________________________________
3.每个人出门必须戴口罩(wear a mask)。_______________________________________________
Everyone must wear a mask when they go out.
4. 儿童禁止在路边踢球。 ______________________________________________________
5. 人们禁止在加油站(gas station)吸烟。 _____________________________________________________
6. -我必须今晚完成所有任务吗？-不，不需要______________________________________________________
We can use solar power to produce electricity.
May I use your dictionary
Children mustn’t play football on the roadside.
-Must I finish all the tasks tonight –No, you needn’t.
People mustn’t smoke at the gas station.
Tony is eighteen years old. Last Sunday, hesaid to his dad, “(1)________ I drive your car to Forest Park with Jenny, Dad ” “Of course you (2)________. You haven’t got your driver’s license (驾照), and you (3)________ drive well. Why don’t you take the bus there ” his dad said. “The bus is always crowded. I (4)________ stand all the way there if I take it.” “Well, I (5)________ send an important email right now. I (6)________ drive you there after that.” “That’s great. Thanks, Dad. But (7)________ we pick up my friend Jenny on Centre Street ” Tony asked. “OK, no problem. Remember that you (8)______________ play in dangerous places when you get there. Now, (9)________ you go and turn on the computer for me ” “Sure, Dad. Oh, I (10)________ wait to tell Jenny through WeChat.”
Ⅴ. 从方框中选择合适的情态动词，完成短文。
can, can’t, may, must, mustn’t
Can/May
can’t
can’t
must
must
can
can
mustn’t/can’t
can
can’t