中小学教育资源及组卷应用平台
牛津深圳版英语七年级下册
Unit 6 Electricity
Period 3 Grammar 教学设计
课题 Unit 6 Period 3 单元 Unit 6 学科 English 年级 7
学习 目标 Language knowledgeUnderstand the types and writing requirements of modal verbs.Master the meaning and usage of can/cannot, may/may not, must/must not..Language skillsThe correct judgment and writing of modal verbs.Distinguish the correct usage of modal verbs in different contexts.3. Learning strategies Summarize the different types and writing requirements of modal verbs. 4 . Emotional attitudeLearn to express emotions with modal verbs.
重点 The correct judgment and writing of modal verbs. Distinguish the correct usage of modal verbs in different contexts.
难点 Summarize the different types and writing requirements of modal verbs.
教学过程
教学环节 教师活动 学生活动 设计意图
新课导入 Step 1. Lead inWatch the video and talk about it.From the video, we can know what we are going to learn today?情态动词（Modal verbs） 是本身有一定的词义，表示语气的单词。但是不能独立作谓语，只能和动词原形一起构成谓语。情态动词用在行为动词前，表示说话人对这一动作或状态的看法或主观设想。 情态动词虽然数量不多，但用途广泛，主要有下列： can (could), may (might), must, need, ought to, dare (dared), shall (should), will (would) 观看视频并提出相关问题，开展讨论。 用看视频的方式吸引住学生的注意力，激发他们的兴趣并过渡到新课。
讲授新课 Step 1. Modal verbs: can and cannotWe use the modal verbs can and cannot (can’t) to say we are able or unable to do something.Hi and Lo are talking about themselves. What are they saying? Read their conversation and then complete the statements below with can or cannot.Step 2. GrammarCan 和 cannot的用法 can是一个情态动词，表示“能，可以”的意思，用法也非常的简单，只要直接把句子的主语放在“can”的前面就可以了，比如：I?can?swim.??我会游泳。 He?can?skate.?他会滑冰。 We?can?sing?English?songs.?我们会唱英文歌。 相反，表示“不能??”也非常的简单，只要在“can”的后面加上?“not”就可以了，当然“cannot”是全称，它还可缩写成“can’t”?，如：? I?can’t?sing.? 我不会唱。 He?can’t?skate.?他不会滑冰。? We?can’t?sing?English?songs.?我们不会唱英文歌。Step 3. ActivityLet’s play a game!The first student say : “I can … Can you do that?” Then, the next student answer : “Yes, I can./No, I can.t” And ask the third student “I can … Can you do that?” In this model, every student play this game in turn.Step 4. Modal verbs: may and may notWe use may and may not to ask for and give permission. In less formal situations, some people like to use can and cannot (can’t) for the same purpose.Daisy is not feeling well today. Benny it at home with her. Read their conversation below. Fill in the blanks with may or can.Step 5. Grammarmay 和 may not的用法 在请求对方的许可，?或是准许你做某事时，?常用情态动词may?和can.?may?比较正式，can?较常用且更口语化一些。?如：? May?I?leave?work?early?today? 我今天可以早点下班吗？?Yes, you may. 你可以。No, you may?not. 你不可以。 may/may not和can/cannot 有时也可以通用：You may/can use my dictionary.你可以用我的词典。You may not/cannot use my computer.你不可以用我的电脑。Step 6. Activity根据语境填上may或may not。Step 7. Modal verbs: must and must notWe use must and must not/mustn’t to tell people what to do or what not to do.Daisy saw a doctor. The doctor told her what to do and what not to do. Help her write down the doctor’s instructions.Step 8. Activitymust 和 must not的用法must?用以表示“必须做某事” 或“一定要做某事”，具有强制性，表达一种责任或义务或表示很有必要做某事；或在提出建议时使用，意为“应该；得”。如:???? We?must?obey?the?school?rules.?? ??? The?windows?are?very?dirty.?I?must?clean?them.? ??? We?must?go?to?the?bank?today.?We?haven’t?got?any?money.?must?的否定形式是mustn’t,?表示“禁止”，?“决不允许”，具有强制性。?如: I?must?hurry,?I?mustn’t?be?late.???? You?mustn’t?forget?to?phone?Julia.? ?must?用于一般疑问句中，其肯定和否定回答应引起我们的注意。? Must?I?go?now? 我们现在一定要走吗？? Yes, we?must. 是的，我们一定要走。 No, we mustn’t. 不，?我们不可以走。? Must?I?finish?reading?the?book?this?week?? Yes, you must. No, you needn’t.Step 9. ActivityChoose the correct answers.Let’s play a role! 了解情态动词can和cannot的特点和用法。 系统学习can和cannot用法及易错点。 了解情态动词may和may not的特点和用法。 系统学习may和may not用法及易错点。 了解情态动词must和must not的特点和用法。 系统学习must和must not用法及易错点。 初步了解情态动词can和cannot。 掌握情态动词can和cannot的用法及易错点。 初步了解情态动词may和may not。 掌握情态动词may和may not的用法及易错点。 初步了解情态动词must和must not。 掌握情态动词must和must not的用法及易错点。
练习巩固 Step 1. Practice按要求转换下列句子。1.?We?can?jump?200?times?in?one?minute.（改为否定句）? 2.?He?must?clean?all?the?dishes?by?himself.（改为一般疑问句并做肯定和否定回答）? 2． Choose the correct answers.(????)?1.?Our?boss?said?we?______?finish?the?project?before?March?1st.?Let’s?hurry.??????? A.?must? ?? B.?need C.?may D.?can? (????)?2.?Jack?is?cleverer?than?me.?He?______?know?the?answer.??????? A.?doesn’t B.?can’t C.?need D.?may? (????)?3.?---?Can?I?watch?TV?now? ---?No,?you?____.?It’s?10?o’clock.?You?___?go?to?bed.?????? A.?can’t,?can? ??? B.?can’t,?must? ??? C.?may?not,?can? ?? D.?needn’t,?must?(????)?4.?It’s?dangerous?to?play?in?the?busy?streets.?So?you?______?play?football?there.??????? A.?may?not B.?needn’t C.?not?can D.?mustn’t (????)?5.?Let’s?take?the?picture?away.?Grandpa?____?like?it.??????? A.?can’t B.?mustn’t C.?may?not D.?needn’tStep 2. Homework1. 背诵P78的课文内容。 2. 写一篇含有十个及以上情态动词的小短文。 完成习题。 完成家庭作业。 日积月累掌握做题技巧。 课后巩固。
课堂小结 Key points:学习can/cannot的特点及用法； 学习may/may not的特点和用法。 学习must/must not的特点和用法。 总结本课重点。 通过对重点的小结，让学生系统地掌握本课内容。
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(共30张PPT)
Unit 6 Electricity
Period 3
Grammar?
牛津深圳版 七年级下册
Watch the video and talk about it.
Lead in
Watch the video and talk about it.
Lead in
From the video, we can know what we are going to learn today?
情态动词（Modal verbs）
是本身有一定的词义，表示语气的单词。但是不能独立作谓语，只能和动词原形一起构成谓语。情态动词用在行为动词前，表示说话人对这一动作或状态的看法或主观设想。 情态动词虽然数量不多，但用途广泛，主要有下列： can (could), may (might), must, need, ought to, dare (dared), shall (should), will (would)
Modal verbs: can and cannot
Presentation
We use the modal verbs can and cannot (can’t) to say we are able or unable to do something.
We can use electricity to do many things.
We cannot/can’t see electricity.
Can you think of an example?
Yes, I can./No, I cannot/can’t.
Modal verbs: can and cannot
Presentation
Hi and Lo are talking about themselves. What are they saying? Read their conversation and then complete the statements below with can or cannot.
I can swim, dance, play football and speak two languages. I can’t cook, play the guitar or ride a bicycle.
I can fly, dance, play chess and speak ten languages. I can’t paint or drive a car.
Modal verbs: can and cannot
Presentation
Hi and Lo are talking about themselves. What are they saying? Read their conversation and then complete the statements below with can or cannot.
1 Hi _____ play football.
2 Lo _____ paint.
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
Modal verbs: can and cannot
Grammar
Can 和 cannot的用法
can是一个情态动词，表示“能，可以”的意思，用法也非常的简单，只要直接把句子的主语放在“can”的前面就可以了，比如：
I?can?swim.?? 我会游泳。
He?can?skate.? 他会滑冰。
We?can?sing?English?songs.? 我们会唱英文歌。?
Modal verbs: can and cannot
Grammar
Can 和 cannot的用法
相反，表示“不能??”也非常的简单，只要在“can”的后面加上?“not”就可以了，当然“cannot”是全称，它还可缩写成“can’t”?，如：?
I?can’t?sing.? 我不会唱。
He?can’t?skate.? 他不会滑冰。?
We?can’t?sing?English?songs.? 我们不会唱英文歌。
Let’s play a game!
Activity
The first student say : “I can … Can you do that?” Then, the next student answer : “Yes, I can./No, I can.t” And ask the third student “I can … Can you do that?” In this model, every student play this game in turn.
Modal verbs: may and may not
Presentation
We use may and may not to ask for and give permission. In less formal situations, some people like to use can and cannot (can’t) for the same purpose.
May/Can I use your mobile phone?
Yes, you may/can.
No, you may not/can’t.
You may/can turn on the TV.
You may not/cannot play in the kitchen.
Presentation
Daisy is not feeling well today. Benny it at home with her. Read their conversation below. Fill in the blanks with may or can.
Benny: How are you feeling, Daisy?
Daisy: Not very well.
Benny: _____ I get you a chair?
Daisy: Yes, thanks.
Benny: I’m going out. _____ I borrow your bicycle, Daisy?
Daisy: Yes, you may. Before you go to meet your friends, can you come and see the doctor with me?
Modal verbs: may and may not
May
Can
Presentation
Daisy is not feeling well today. Benny it at home with her. Read their conversation below. Fill in the blanks with may or can.
Benny: Yes, I _____. _____ I carry your bag for you?
Daisy: Yes, that’s very kind of you, Benny. I’m ready to go. _____ you open the door for me?
Benny: Yes, I can.
Daisy: Thanks.
Modal verbs: may and may not
can
May
Can
Modal verbs: may and may not
Grammar
may 和 may not的用法
在请求对方的许可，?或是准许你做某事时，?常用情态动词may?和can.?may?比较正式，can?较常用且更口语化一些。?如：?
May?I?leave?work?early?today? 我今天可以早点下班吗？?
Yes, you may. 你可以。
No, you may?not. 你不可以。
Modal verbs: may and may not
Grammar
may 和 may not的用法
may/may not和can/cannot 有时也可以通用：
You may/can use my dictionary.
你可以用我的词典。
You may not/cannot use my computer.
你不可以用我的电脑。
根据语境填上may或may not。
Activity
1 That _______ or _______ be true.
2 He _______ have (= perhaps he has) missed his train.
3 _______ I come in?
4 The converse of this statement _______ (不一定) be true.
5 The deal with Chelsea _______, however, be dead.
may may not
may
May
may not
may not
Presentation
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.
Modal verbs: must and must not
Work out the rule
After modal verbs such as can, may and must, we use (the base form/the –ing form/the –ed form) of a verb.
Presentation
Daisy saw a doctor. The doctor told her what to do and what not to do. Help her write down the doctor’s instructions.
Drink more water go to bed early
Eat cold food share cups with others
Go out alone take the medicine on time
Modal verbs: must and must not
Presentation
Daisy saw a doctor. The doctor told her what to do and what not to do. Help her write down the doctor’s instructions.
Modal verbs: must and must not
1 _____________________________________________________
2 _____________________________________________________
3 _____________________________________________________
4 I must not ___________________________________________
5 _____________________________________________________
6 _____________________________________________________
I must drink more water.
I must go to bed early.
I must not eat cold food.
share cups with others.
I must not go our alone.
I must take the medicine on time.
Modal verbs: must and must not
Grammar
must 和 must not的用法
must?用以表示“必须做某事” 或“一定要做某事”，具有强制性，表达一种责任或义务或表示很有必要做某事；或在提出建议时使用，意为“应该；得”。如:????
We?must?obey?the?school?rules.?? ???
The?windows?are?very?dirty.?I?must?clean?them.? ???
We?must?go?to?the?bank?today.?We?haven’t?got?any?money.?
Modal verbs: must and must not
Grammar
must 和 must not的用法
must?的否定形式是mustn’t,?表示“禁止”，?“决不允许”，具有强制性。?如:
I?must?hurry,?I?mustn’t?be?late.????
You?mustn’t?forget?to?phone?Julia.? ???
Modal verbs: must and must not
Grammar
must 和 must not的用法?
must?用于一般疑问句中，其肯定和否定回答应引起我们的注意。?
Must?I?go?now? 我们现在一定要走吗？?
Yes, we?must. 是的，我们一定要走。
No, we mustn’t. 不，?我们不可以走。?
Must?I?finish?reading?the?book?this?week??
Yes, you must.
No, you needn’t.
Choose the correct answers.
Activity
(??)?1.?Everyone?________?go?through?the?security?check(安检)?when?entering? the?World?Expo?Park.???????
A. can B.?may C.?must D.?ought?
(??)?2.?—?Must?I?go?to?the?shop?with?you,?Mum? —?Err…?I?can?make?it?myself,?Mike.?You?______?go?with?me.
A.?mustn’t B.?shouldn’t C.?wouldn’t D.?needn’t??
(??)?3.?—?Must?I?finish?my?homework?right?now? — No, you ___.??????? A.?needn’t?????B.?may not????C.?mustn’t??????D. can’t?
C
D
A
Let’s play a role!
Activity
情景对话（一）
A: May I help you?
B: Yes, you may. please.
A: Can I carry your box?
B: Yes, you can. Thank you!
Let’s play a role!
Activity
情景对话（二）
A: May I speak to Wang Wang?
B: Yes, you may.
A: Must we call a texi?
B: Yes, we must. It’s too far.
按要求转换下列句子。
Practice
1.?We?can?jump?200?times?in?one?minute.（改为否定句）? ________________________________________________________
2.?He?must?clean?all?the?dishes?by?himself.（改为一般疑问句并做肯定和否定回答）?________________________________________________________
________________________________________________________
________________________________________________________
We?can’t?jump?200?times?in?one?minute.???????
Must?he?clean?all?the?dishes?by?himself??? ????????
Yes,?he?must.?
No,?he?needn’t. / No,?he?doesn’t?have?to.
Choose the correct answers.
Practice
(????)?1.?Our?boss?said?we?______?finish?the?project?before?March?1st.?Let’s?hurry.???????
A.?must? ??? B.?need C.?may D.?can?
(????)?2.?Jack?is?cleverer?than?me.?He?______?know?the?answer.?????A.?doesn’t B.?can’t C.?need D.?may?
(????)?3.?---?Can?I?watch?TV?now? ---?No,?you?____.?It’s?10?o’clock.?You?____?go?to?bed.??????
A.?can’t,?can? ??? B.?can’t,?must? ???
C.?may?not,?can? ?? D.?needn’t,?must?
A
D
B
Choose the correct answers.
Practice
(????)?4.?It’s?dangerous?to?play?in?the?busy?streets.?So?you?____play?football?there.???????
A.?may?not B.?needn’t C.?not?can D.?mustn’t
(????)?5.?Let’s?take?the?picture?away.?Grandpa?____?like?it.??????? A.?can’t B.?mustn’t C.?may?not D.?needn’t
D
C
Summary
Key points:
学习can/cannot的特点及用法；
学习may/may not的特点和用法。
学习must/must not的特点和用法。
Homework
1. 背诵P78的课文内容。
2. 写一篇含有十个及以上情态动词的小短文。
谢谢
中小学教育资源及组卷应用平台
牛津深圳版 七下 Unit 6 Period 3习题
一、单选
(????)?1.?Annie?is?good?at?singing.?She?___?sing?many?English?songs.???????A.?may? ???B.?can? ???C.?need? ???D.?must
(????)?2.?---?___?I?sit?here??---?Sorry,?you?can’t.???????
A.?Need? ???B.?Must? ???C.?May? ???D.?Do?
(????)?3.?---?Must?I?get?there?at?6:30?in?the?morning??---?No,?you?____.???????A.?mustn’t? ???B.?needn’t????C.?can’t? ???D.?don’t? 1
(????)?4.?Everyone?___?pick?the?flowers?in?the?park.?It’s?a?rule.??????
A.?may?not????B.?mustn’t? ???C.?needn’t? ???D.?can?
(????)?5.?---?___?I?use?your?telephone??---?Sure.?Here?you?are.???????
A.?May? ???B.?Must? ???C.?Need? ???D.?Should?
二、情景反应，根据实际情况回答问题。??
1.?What?must?we?do?before?changing?the?bulb??
___________________________________________________________?
2.?When?you?see?somebody?smoking?in?the?library,?what?would?you?say?to?him??
___________________________________________________________?
3.?Where?can?you?put?the?meat?to?keep?it?fresh??
___________________________________________________________?
4.?What?must?we?do?when?the?air?conditioner?is?on??
___________________________________________________________?
5.?Can?we?switch?the?rice?cooker?on?if?the?pot?is?empty??
___________________________________________________________
三、补全短文。
It?is?Wednesday?today.?But?we?don't?__1__lessons.?Miss.Wang?takes?us?to__2__the?zoo.?We?are?very?happy.?We?get?to?the__3__early.?About?two?thousand__4__come?to?the?zoo.?First?we?see?an__5__.?It?is?very?big,?but?its?tail(尾巴)?is? very?small.?Its?long?nose__6__carry?woods（搬木头）.We?also?see some__7__.They?play?on?a?small?hill.?The?monkey?likes?fruit.? There?is?a?big?tiger__8__the?forest.?It?is?dangerous(危险的).?We?can't?get?close?to(靠近)it.?The?tiger__9__meat?every?day.?There__10__many?animals?in?the?zoo.?I?would?like?to?go?to?the?zoo?again.
四. 语法选择???
We?were?going?to?have?a?test?today.?It?would?show?if?we?were?__1__?to?get?in?an?honours?class?next?year.?But,?I?didn’t?think?it?was?hard?for?me.?It?was?the?maths?part-----my?favourite.?We?took?the?test?__2__?computer.?There?__3__?52?questions?for?us?to?do?in?one?hour.?The?boy?behind? me??_4__?nervous.?The?girl?on?my?left?was?nervous,?__5__.?But?when?I?began?__6__?the?questions,?I?saw?the?whole?thing?__7__?a?game.?I?tried?to?__8__?easy?ways?to?do?the?maths?problems.??At?the?end?of?the?test,?my?score?was?307.?But?what?did?it?mean??I?had?__9__?idea.?I?asked?my?friend?John.?He?got?227.?When?he?knew?my?score,?he?said,?“Oh?my?God.?You’re?a?talent!” ?So,?I?asked?_?10__?people,?and?got?the?same?answers.?(????)?1.?A.?enough?smartB.?too?smart C.?smart?enough D.?very?smart?? (????)?2.?A.?by B.?at C.?for D.?to??
(????)?3.?A.?was B.?had C.?were D.?have??
(????)?4.?A.?was?looking B.?looked C.?looks D.?was?looked??
(????)?5.?A.?either B.?also C.?yet D.?too?
(????)?6.?A.?answering B.?answered C.?answer D.?answers?
(????)?7.?A.?for B.?like C.?to D.?as?
(????)?8.?A.?look B.?find?out C.?find D.?search?
(????)?9.?A.?some B.?no C.?not D.?any?
(????)?10.?A.?other B.?another C.?the?other D.?others
参考答案：
一、单选
1-5 BCBBA
二、情景反应，根据实际情况回答问题。??
Possible?answers:? ??????
1.?We?must?switch?off?the?electricity.???????
2.?You?can’t?smoke?here.? ??????
3.?I?can?put?the?meat?in?the?fridge?to?keep?it?fresh.???????
4.?We?must?close?the?window.???????
5.?No,?we?can’t.
三、补全短文。
1. have
2. visit
3. zoo
4. people
5. elephant
6. can
7. monkeys
8. in
9. eats
10. are
四.语法选择。???
1-5 CACBD 6-10 ADCBA
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