人教版英语七年级下册第四单元短语语法知识点总结汇编

Unit 4Don’t eat in class

【短语归纳】

1.on time 准时，按时

2. listen to …听……

3. in class 在课上

4. be late for 做……迟到

5. have to 不得不

6. be quiet安静

7. go out外出8. do the dishes 清洗餐具

9. make breakfast 做早饭10. make (one’s) bed 铺床

11. be noisy 吵闹12. keep one’s hair short 留短发

13. play with sb. 和某人一起玩14. play the piano 弹钢琴

15. have fun 玩得高兴16. make rules 制订规则

【用法集萃】

1.Don’t + 动词原形+其他，不要做某事。

2.help sb. (to) do sth. 帮助某人做某事

3.too many + 可数名词复数太多的……

4.practice doing sth. 练习做某事

5. be strict with sb. 对某人要求严格

6. be strict in sth. 对某事要要求严格

7. leave sth sp. 把某物忘在某地

8. keep + 宾语+形容词使……保持某种状态

9. learn to do sth. 学会做某事

10. have to do sth. 不得不做某事

┃语法探究┃

Ⅰ.祈使句

定义：用于表达命令、请求、劝告、警告、禁止等的句子叫__________句。

时态：使用______________时态。

结构：动词原形＋其他成分＋please. 否定祈使句在动词原形前面加__________ 。如：Be quiet in the classroom, please.

在教室里请保持安静。

Don't fight. 不要打架

Ⅱ.情态动词have to 和must

1.情态动词have to和must都表示“__________”的意思。

have to 表示从__________条件上来看必须做某事；

must表示说话人__________必须要做某事。如：

There is no bus, you have to walk home. (没有公交车是客观条件)

没有公共汽车，你必须走回家。

I must study English well. (想学好英语是一种主观想法)

我必须要学好英语。

2.have to有__________、__________和__________的变化，而must只有一种形式如：He has to stay at home, it's raining.

他必须待在家中，下雨了。

3.在否定结构中don't have to表示“__________”，而mustn't表示“__________”。如：You don't have to wait for him. 你没必要等他。

You mustn't play with fire. It's dangerous.你禁止玩火。那很危险。

【练习吧】

( )1. —Can I go to the park, Mum?

—Certainly. But you ________be back before six o'clock.

A. can

B. may

C. might

D. must

( )2. You ________ stop when the traffic light turns

red.

A. can

B. have to

C. need

D. had better

( )3. ________ come late to school tomorrow!

A. Do

B. Does

C. Be

D. Don't

根据提示补全下列单词。

1. There are so many people, it’s too c___________.

2. Can you r_________ your teacher’s phone number?

3. Stop f________! The teacher is coming.

4. My mother is very s________ with me.

5. We must f________ the rules at school.

6. She w______ a beautiful dress today.

7. We must wear school u__________ on Monday.

8. We can’t eat in class, we have to eat in the d_____________ hall.

9. We can’t run in the h____________.

10. Do you want to l_________ to play chess?

单项选择。

( ) 1. Jack, ____________ eat in the classroom.

A. can’t

B. doesn’t have to

C. don’t

D. doesn’t

( ) 2. We can’t eat ________.

A. in class

B. in the class B. in classroom

( ) 3. Must I get up early every day? _________________

A. No, you can’t.

B. No, you mustn’t.

C. No, you don’t have to.