内容正文:
人教新目标Go For It七年级英语下册
Unit4 Don't eat in class SectionA Grammar Focus-3c
Don’t run in the hallways.
We can eat in the dining hall.
We must be on time for class.
We have to be quiet in the library.
The expression of rules:
祈使句
can
must
have to
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Grammar Focus.
have to在句法上与其他情态动词有何区别?
have to有人称和数的变化。
have to/ has to
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3
Grammar Focus.
如何使用情态动词表达规矩?
主语+must+V原
主语+have to+V原
主语+can't+V原
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4
祈使句,祈使句,请求、命令或建议。
主语是you常省去,动词原形开头记。
否定形式要注意,句首要把don’t加。
要讲客气用please,句首、句末没关系。
祈使句用法歌诀
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祈使句的形式
Do
型 肯定句:
动词原形(+宾语)+其他. 请坐。
否定句:
Don’t +动词原形(+宾语)+其他. 不要在这儿跑。
Sit down, please.
Don’t run here.
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其他 No+动词-ing/名词! 禁止游泳!
禁止拍照!
表示强调时,可在动词原形前加 do,意为 “一定,务必”。
一定要来看我。
注意
No swimming!
No photos!
Do come to see me.
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3a Use the words to make questions about the rules. Then write answers according to your school.
Eat?
Q: _____________________________________ (he/have to/in the dining hall)?
A: __________________
Does he have to eat in the dining hall?
Yes, he does.
Listen to music?
Q: ________________________________________(we/can/in the hallways)?
A: __________________
Can we listen to music in the hallways?
No, we can’t.
Wear a hat?
Q: ______________________________________(we/can/in the classroom)?
A: __________________
Can we wear a hat in the classroom?
No, we can’t.
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Let’s talk
Talk with your partner.
A: What are the rules?
B: .
/ .
Don’t run in the hallways
We can’t run in the hallways
Don’t listen to music in class
We can’t listen to music in class
Don’t fight