内容正文:
返回导航
上页
下页
七年级英语 · 下
Section A (Grammar Focus-3c)
返回导航
上页
下页
七年级英语 · 下
课前预习
课堂探究
当堂检测
返回导航
上页
下页
七年级英语 · 下
句型先知
1.不要在走廊里跑。
in the hallways.
2.我们必须准时上课。
We be class.
Don't run
must on time for
返回导航
上页
下页
七年级英语 · 下
3.——我们能在教室里吃东西吗?
——不,我们必须在餐厅里吃。
— we eat in the classroom?
—No, we , but we eat in the dining hall.
4.他必须在学校里穿校服吗?
he a uniform at school?
Can
can't have to
Does have to wear
返回导航
上页
下页
七年级英语 · 下
We must be on time for class.
我们必须按时上课。(教材·p.21)
We don't have to come to school every day.
我们不必每天来学校。(教材·p.21)
返回导航
上页
下页
七年级英语 · 下
◎经典例句
We must obey the school rules.
我们必须遵守校规。
She has to go home now.
她现在不得不回家。
You don't have to come every day.
你不必每天都来。
◎考点归纳
must与have to都是情态动词,意为“必须,不得不”,其后加动词原形。
返回导航
上页
下页
七年级英语 · 下
巧辨异同
have to与must
词条
意义
用法
时态
否定形式
have to
必须;不得不
强调客观需要。
用于多种时态,有人称和数的变化。
don't have to =needn't,
意为“不必”。
must
必须;一定
强调主观看法。
多用于一般现在时,无人称和数的变化。
must not=mustn't,意为“禁止; 不许”。
返回导航
上页
下页
七年级英语 · 下
1.戴夫家离学校很远,他每天早晨必须早早起床。
Dave's home is far from school. He up early every morning.
2.你必须努力学习,以便进入一个好大学。
You study hard to enter a good university.
3.They have to be quiet in the dining hall.(改为一般疑问句)
they be quiet in the dining hall?
has to get
must
Do have to
返回导航
上页
下页
七年级英语 · 下
4.You ________ take me to the station. My brother's taking me.
A.can't
B.mustn't
C.shouldn't
D.don't have to
答案:D
返回导航
上页
下页
七年级英语 · 下
Ⅰ.根据句意及首字母提示完成单词
1.We can't eat in the classroom, but we can eat in the room.
2.Linda has to wear her to school every day.
3.Be I want to do my homework.
4.She is very to run in the hallways.
5.It's fun for me to to music.
dining
uniform
quiet!
sorry
listen
返回导航
上页
下页
七年级英语 · 下
Ⅱ.用括号内所给词的适当形式填空
1. (not be) late for class.
2.He (have) to read English every morning.
3.Do you have to (wear) school uniforms every day?
4.Ton