中小学教育资源及组卷应用平台
Unit 4 Don’t eat in class. Section A ( GF-3c)
学习任务单
课程基本信息
学科 英语 年级 七年级下册
课题 Unit 4 Don’t eat in class. Section A ( GF-3c)
使用教材 人教新目标 出版日期 2013.05
学生信息
姓名 学校 班级 学号
学习目标
1. 能使用目标语言谈论学校、图书馆的规则。2. 能用所学内容解决实际问题。3. 熟练掌握have to 的用法。
课前学习任务
在书本第21页划出以下句型。1. 句型：Can we eat in the classroom Yes, we can./No, we can’t. Does he have to wear a uniform at school Yes, he does./No, he doesn’t. What do you have to do We have to be quiet in the library.
课上学习任务
Task 1 Review.Task 2 Grammar Focus.书本第21页 Practice 根据图片提示，填入适当的词语完成下面的祈使句。 1. Please _______ _______ in the library, Peter.2. _______ _______ in the music room.3. No _________ in the river.4. Let him _______ _______ _______ over there (在那里).5. _______ take your dog there. It's not allowed (允许) to get in.Task 3 3a Write the rules for the school library. 书本第21页 Can you give some reasons for these library rules Task 4 3b Use the words to make questions about the rules. Then write answers according to your school. 书本第21页Task 5 3c Make up five cool rules for your dream school.
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Don't eat in class.
Unit 4
Section A (3a-3c)
Ms Clark: Peter!_________ in the
hallways.
Peter: Sorry, Ms. Clark.
Mr. Smith: Amy, _________ in the
classroom.
Amy: Oh, sorry, Mr. Smith.
Fill in the blanks.
这些句子是 ________。
Don't run
don't eat
Mr. Smith: Hey, Mike, _______________
______ in class, Mike!
Boy: He can't hear you, Mr. Smith.
don't listen to
music
一般在什么情况下会用祈使句？
祈使句
1. Don't arrive late for class. You must be on time.(P19)
2. Don't fight.(P19)
3. Please be quiet. The baby is sleeping.
4. Wear the school uniform.
5. (You) Go and tell him, Chris.
6. Look out! Danger!
Read the sentences and pay attention to the words in blue.
祈使句一般用于上级对下级，长辈对晚辈之间，表示命令、劝说或警告，也可表示请求。通常省略主语you，句末用感叹号或句号。
为使祈使句更委婉、有礼貌，可在祈使句开头或末尾加please。
祈使句有哪些常用的句型呢？
1. 肯定句：
Let me help you.
Let's play tennis.
Be a good boy! Be quiet in the library.
Open the door, please.
③ Let型：
② Be型：
① Do型：
祈使句的常见句型结构：
肯定句一般以动词原形开头，无时态和数的变化。
动词原形 (+ 宾语) + 其他.
Be + 表语 + 其他.
Let + 宾语 + 动词原形 + 其他.
No talking. Never be late again!
Don't let him go back.
Let him not stand in the rain.
Don't forget me.
④ 其他类型的否定祈使句：
③ Let型的否定式：
① Do型的否定式：
2. 否定句：
No + V-ing /名词！
Never代替Don't来加强语气。
② Be型的否定式：
Don't be late. Don't be afraid.
Don't + let + 宾语 + 动词原形 + 其他.
Let + 宾语 + not + 动词原形 + 其他.
Don't + be + 表语 + 其他.
Don't + 动词原形(+ 宾语) + 其他.
1. Please _______ _______ in the library, Peter.
2. _______ _______ in the music room.
3. No _________ in the river.
4. Let him _______ _______ _______ over there (在那里).
5. _______ take your dog there. It's not allowed (允许) to get in.
根据图片提示，填入适当的词语完成下面的祈使句。
be quiet
Don't eat
swimming
not play soccer
Don't
Library Rules
1. ____________
2. ____________
3. ____________
____________
4. ____________
____________
Don't talk.
Don't eat.
Don't listen to music.
Don't take photos.
Write the rules for the school library.
3a
P21
Can you give some reasons for these library rules
1. Don't talk. You have to be quiet in the library.
2. Don't eat. You must eat in the dining hall.
3. Don't listen to music. You can listen to it outside or in the music room.
4. ...
Modal Verbs
How to use them
情态动词can
- Can we eat in class
- No, we can't.
- Can we eat in the dining hall
- Yes, we can.
We can't eat in class. But we can eat in the dining hall.
此前我们学习了can表示能力，意为“能，会”的用法。在本单元中，can表示请求、允许，意为“可以”。
—我们能在课堂上吃东西吗？
—不，我们不能。
—我们可以在餐厅吃东西吗？
—是的，我们可以。
- Can the students listen to music in class
- Yes, they can. / No, they can't.
We can't eat in the classroom.
I can eat in the dining room.
③ 一般疑问句及回答：
______________________________________
______________________________________
② 否定句：_______________________________
① 肯定句：_______________________________
情态动词can的句型结构：
主语 + can + 动词原形 + 其他.
主语+can not/can't+动词原形+其他.
- Can + 主语 + 动词原形 + 其他
- Yes, 主语+can. / No, 主语+can't.
上课不要迟到。
我们必须守时。
你看电视前必须先看本书。
情态动词must表说话人的主观看法，表示必须、必要。
无人称和数的变化 ，不能单独使用，必须与其后的动词原形一起构成谓语。
情态动词must
Don't be late for class. We must be on time
You must read a book before you watch TV.
- Must I be home before 8 o'clock
- Yes, you must. / No, you needn't/don't have to.
You mustn't speak like that.
Everyone must obey the rule.
③ 一般疑问句及回答：
________________________________________________
________________________________________________
② 否定句：_______________________________________
① 肯定句：_______________________________________
情态动词must的句型结构：
主语 + must + 动词原形 + 其他.
主语 + mustn't/must not + 动词原形 +其他.
- Must + 主语 + 动词原形 + 其他
- Yes, 主语 + must. / No, 主语 + needn't/don't have to.
mustn't表示“不应该”、“禁止”、“不准”。语气比较强烈。
She has to do her homework first when she gets home.
have to 表示必须，强调客观需要，有“不得不、被逼无奈做某事”的意思。
have to既有人称、单复数的变化、也有动词时态的变化。
情态动词have to
她回家后必须先做作业。
我们必须穿校服。
We have to wear the school uniform.
I had to stay in bed last month.
上个月我不得不卧床休息。
情态动词have to的句型结构：
- Does he have to go to bed now
- Yes, he does. / No, he doesn't.
We don't have to clean the room today.
She has to look after her mother at home.
③ 一般疑问句及回答：
___________________________________________________
___________________________________________________
② 否定句：_____________________________________
_____________________________________
① 肯定句：_____________________________________
主语 + have/has/had to + 动词原形 + 其他.
主语 + don't/doesn't/didn't have to +动词原形 + 其他.
- Do/Does/Did ＋ 主语 ＋ have to ＋ 动词原形 ＋ 其他
- Yes, 主语 ＋ do/does/did. / No, 主语 ＋ don't/doesn't/didn't.
④ 特殊疑问句：_____________________________________
_____________________________________
疑问词+do/does/did+主语+have to+动词原形+其他
What do you have to do
must通常表示说话人的主观看法，语气比较强烈，have to 往往强调客观需要。
表示“必须”，有时二者可互换。
We have to/must follow
the rules.
它们的否定式含义大不相同。mustn't表示“不准；禁止”，don't have to表示“不必”。
* I must go now.
* It's a little late and I
have to go now.
*You mustn't talk to
your mother like that.
*You don't have to come
if you don't want to.
must一般只表示现在，没有人称和数的变化。
have to则可以用于不同的时态，有人称和数的变化。
* I must go now.
* She doesn't have to
work at weekends.
不同
点
相同点
There is nothing in the fridge. I ________ go shopping now.
It's very warm. You ______________ wear the coat.
have to
don't have to
根据所给提示用must, have to,
can的恰当形式填空。
- _____ we wear hats in
school
- Yes, we can.
Can
We _______ protect our environment.
must
Use the words to make questions about the rules. Then write answers according to your school.
3b
P21
Can we listen to music in the hallways
Can we wear a hat in the classroom
No, we can't.
No, we can't.
Does he have to eat in the dining hall
Yes, he does.
Make up five cool rules for your dream school.
3c
P21
1. We can eat in class.
2. We don't have to come to school every day.
3. …
Share your rules with the class.
Now share your dream school with the class. Your classmates vote for the Coolest School!
祈使句的类型：
① Do型祈使句
肯定句：动词原形(+宾语)+其他.
否定句：Don't+动词原形(+宾语)+其他.
② Be型祈使句
肯定句：Be+表语+其他.
否定句：Don't+be+表语+其他.
③ Let型祈使句
肯定句：Let+宾语+动词原形+其他.
否定句：Don't+let+宾语+动词原形+其他.
Let+宾语+not+动词原形+其他.
④ 其他类型的
否定祈使句
No+V-ing /名词.
Never+动词原形 / be+其他.
情态动词
can
must
have to
含义
否定式
“许可；可以”表示请求
“必须”
表示说话者主观看法
“必须，不得不”
强调客观需要
can't (can not) 意为“不能；不可以”
mustn't (must not) 意为“一定不要；不允许”
don't have to 意为“不用，不必”
1. Can you use Imperatives “Don't…”
correctly
2. Can you use can for permission
3. Can you make sentences with have to
or must
Write down five rules for the dining hall in your school.中小学教育资源及组卷应用平台
Unit 4 Don’t eat in class. Section A ( GF-3c) 课后练习
课程基本信息
学科 英语 年级 七年级下册
课题 Unit 4 Don’t eat in class. Section A ( GF-3c)
使用教材 人教新目标 出版日期 2013.05
学生信息
姓名 学校 班级 学号
学习目标
1. 能使用目标语言谈论学校、图书馆的规则。2. 能用所学内容解决实际问题。3. 熟练掌握have to 的用法。
课后练习
一、将下列句子改为祈使句。1. You must be quiet in the classroom. __________________________________________2. You can't play the piano at night. __________________________________________ 3. We can take her some books. __________________________________________ 4. You can come in. __________________________________________ 5. You can't play basketball here. __________________________________________ 二、按要求完成句子，每空一词(含缩略形式)。1. You can't eat in class. (改为祈使句) _____ _____ in class.2. Anna has to finish her homework today. (改为一般疑问句) _____ Anna _____ _____ finish her homework today 3. Can I use your computer (作肯定回答) _____, _____ _____.4. We can play basketball after school. (改为否定句) We _____ _____ basketball after school.5. Bob has to go to bed before ten o'clock. (对画线部分提问) _____ _____ Bob _____ to go to bed 三、句子汉译英。1. 不要在走廊里奔跑。 2. 我们可以把音乐播放器带到学校吗？3. 我必须留短发。4. 在图书馆我们必须保持安静。5. 在我可以看电视之前我必须读一本书。6. 晚饭后我也不能放松。 答案：一、1.Be quiet in the classroom. 2.Don't play the piano at night. 3.Let's take her some books. 4.Come in. 5.Don't play basketball here.二、1.Don't eat 2.Does have to 3.Yes you can 4.can’t play 5.When does have三、1.Don't run in the hallways.Can we bring music players to school I have to keep my hair short.We have to be quiet in the library.I must read a book before I can watch TV.After dinner, I can't relax, either.
基础过关
能力提升
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