5.Don’t arrive late for school.

否定祈使句，常见句式有：

Don’t否定：适用于1。3。4。型祈使句，直接在句首(动词前)加Don’t,如

Don’t eat in class.

No否定：这种否定形式多用于公众警示语，有“禁止”“规劝”的意思，No后面是名词或形式。如：No photos.严禁拍照。No smoking.严禁吸烟。

4.Be quiet, please.

3.Stand there.

2.Let’s go to the shop together.

1.Please listen to the teacher carefully.

4.　　　 John has to wear sneakers for gym class.

　John ____ ____ _____ wear　 sneakers for gym class.(否定句)

Period　 Four

Teaching aims

To use can ,have to and 祈使句。

Teaching courses

Step 1.Revision.

To check the homework.

Step 2.Look and learn.

Look at the pictures and learn rules.p74.1

Step 3.Listening

Listen to p74 2a and 2b.

祈使句：它的真正主语是you，但常省略，简短而有力，有命令`要求`请求的意味。常见的祈使句有五种形式：

3.　　　 We can listen to music in classrooms(用outside变选择问句)

　____ you listen to music in classrooms _____ outside?

2.　　　 We can wear hats in school.(一般问句)

____ you _____ hats in school?

1.　　　 Listen to the music in the hallways.(否定句)

____ ____　 to the music in the hallways.

2. Listening 1b.

Step 4 Homework

Write your school rules.

Period Three

Teaching aims

To learn the usage of have to.

To do some listening excises.

Teaching courses

Step 1.Revision.

Revise the rules of your school.

Step 2.Presentation

Do you have to wear a uniform at school?

Yes, we do. / No, we don’t.

Does she have to stay at home?

Yes, she does. / No, she doesn’t.

Step 3 Filling in the blanks.

Fill in the blanks with the correct words in the box.. p73 3a

Step 4.Listening　

p72 2a and 2b Check the answers.

Step 5.Homework