山东省高青县第三中学七年级英语上册 Unit 10 Don’t eat in class Section A2课件 鲁教版

Fill in the blanks with the correct words. (3a)
Mary, you don’t have to wear a uniform .
3b
A: Do we have to _______? B: Yes, we do. / No, we don’t.
John
Fill in the blanks with the correct words. (3a) John, you have to wear sports shoes for gym class.
Fill in the blanks with the correct words. (3a)
At school, we have to clean the classroom .
词语链接 情态动词can的用法 1) 表示能力 “会, 能” Can you play the guitar? 你会弹吉它吗？ Judy can speak a little Chinese. 朱蒂会说一点中文。 I can dance and sing. 我能唱歌又能跳舞。
2) 表示允许、许可, “可以”、“能” (在这一课中新学的词义) Can the students run in the hallways? 学生们可以在走廊上跑吗？ We can eat outside. 我们可以在外面吃东西。 注意: 和大部分情态动词一样, can在否定 句中, 直接在can后加上not, 在疑问句中, 把can放到主语前面, 并且没有人称和数 的变化。
in public (在公共场所)
Don’t talk loudly in public!
Practice
Can we …?
Yes, we can. No, we can’t.
• eat in class • listen to music outside • wear hats in school • fight in class • speak loudly in the library
如: Look out! 小心！ Wait here for me! 在这等我！ Be sure to come here on time! 务必准时来到这里！
祈使句的否定形式多以do not (常缩写成 don’t) 开头, 再加上动词原形。 Listen to music outside. Don’t listen to music outside. Do your homework at school. Don’t do your homework at school. Don’t look out of the window. 不要向窗外看。
Form sentences
1. Don’t late, don’t, arrive for late school, for school. arrive
2. Don’t music,listen listento to, in the classroom, don’t music in the classroom. 3. We eat, can’t can’t,eat in the classroom, we in the classroom.
You can turn right!
in the library
Don’t take your schoolbag to the library! No school bags!
Don’t arrive late for class.
in the library
Don’t talk in the library! No talking!
将下面的句子改为祈使句，每空一词。 1. You can come in. Come ____, in please. ______ 2. I can help you. Let me ______ help you. _____ 3. You can’t eat in class. Don’t _____ eat in class. _______ 4. You can’t be late for school. Don’t ____ be late for school. ______ 5. You can’t take photos here. No photos here. ____
-- Do you have to…in the school? -- Yes, we do. / No, we don’t.
wear school uniforms every day clean the classrooms every day do morning exercises every day do homework every day have classes from Monday to Saturday wear school badge (校徽) every day arrive at school before 7:00am listening to English every day
Look and say.
They _______wear a uniform every day. have to Do you have to wear a uniform every day? I do Yes,____. I don’t No,______.
I ____________a have to wear uniform every day.
Mary
A: ____________? B: _______________.
• What time does the school begin in the morning? • When do you have to arrive at school in the morning? • As students, what do you have to do in the school?
Don’t listen to music in the classroom!
Don’t run in the hallways.
in the classroom
Don’t eat in the classroom.
Don’t take photos here.
No photos!
Please turn right!
- Can we eat in school? - We can eat in the dining hall, but we can’t eat in the classrooms. - Do you have to wear a uniform at school? - Yes, we do./ No, we don’t. - What else do you have to do?


What else do you have to do at school? We have to… We have to… We have to arrive at school on time. We have to do homework every day. We have to clean the classroom every day. We have to keep the classroom clean. We have to study hard at all lessons.
肯定祈使句 Sit down.
否定祈使句 Don’t sit down.
Come in.
Eat at home.
Don’t come in.
Don’t eat at home.
祈使句是用来表示请求、命令、叮嘱、号 召或者劝告等的句子, 这类句子的主语常 是第二人称you,也就是听话者,因而you常 省去了。祈使句的开头是动词原形。
Unit 10
Don’t eat in class.
Section A
Period Two
To learn to talk about rules
To learn to use modal have to
Don’t smoke! No smoking!
Don’t fight.
in the classroom
A: Does he have to ____? B: Yes, he does./ No, he doesn’t.
Mary
A: ____________? B: _______________.
John
A: What does he have to do? B: He has to wear sports shoes for gym class.
Write down ten sentences about what you can or can’t do in your house. We can’t eat in bed. We can’t fight. ...
祈使句的常见句型结构
祈使句表示请求、命令、劝说、号召、 警告等。表示委婉的祈使语气，可在句首 或句末加上please，若在句末加please， 之前要用逗号隔开。祈使句有肯定祈使句 与否定祈使句两种。
1. 肯定祈使句的常见句型结构： ① Do型：动词原形+宾语+其他. 如： Open the door, please. ② Be型：Be+表语. 如：Be a good boy! ③ Let型：Let+宾语+动词原形+其他. (或：Let’s+动词原形+其他.) 如： Let me help you. 又如：Let’s play tennis.
I _______do homework have to every day.
I have ______________________ to clean my bedroom on weekends.
Pair work
Ask and answer questions about the rules at your school. Do we have to wear a uniform? Yes, we do.
Group work
What do you have to do at school? We have to…. We have to arrive at school on time. We have to do homework every day. We have to clean the classroom every day. We have to keep the classroom clean. We have to study hard at all lessons.
用所给单词的适当形式填空。 listen 1. Don’t ________(listen) to music in the library. clean 2. Do we have to ________(clean) the room every day? 3. You can’t ________(wear) sunglasses in wear the classroom. 4. Please ________(arrive) at school on arrive time (准时). class 5. John is often late for _______ (class).
2. 否定祈使句的常见句型结构： ① Do型和Be型的否定式：Don’t+动词 原形 / be+其他. 如：Don’t forget me. 又如：Don’t be late. ② Let型的否定式：Don’t+let+宾语+动词 原形+其他. (或：Let’s+not+动词原形+其 他.) 如：Don’t let him go back. 又如： Let’s not go swimming. ③ 警示语：No+名词 / 动词-ing形式. 如： No talking.