精英家教网 > 初中英语 > 题目详情

知识点二 must与have to

两者都有“必须”之意,但用法有所区别:

(1) must多表示主观需要或责任感的驱使有必要或有义务去做某事,多译为“必须”,而have to 多表示客观存在的环境所限,即客观要求(无奈) 而为之,多译为“不得不干某事”。•

(2) must没有时态的变化,而have to有时态的变化。

(3) must的否定形式为mustn’t,意为“不允许”,表示禁止某人做某事。由must引起的疑问句,肯 定回答要用must或have to,否定回答要用needn’t或don't have to,意思是“不必”。

2.  (单项选择)

() (1) —Must I finish my homework before eight o’clock?

—Yes,you.

   A. must    B. don't have to

    C. mustn’t   D. need to 

() (2) —Must I attend the meeting?

—No,you . You can ask Tom to go instead.

  A. must   B. don't have to

  C. mustn’t   D. had to

练习册系列答案
相关习题

科目:初中英语 来源: 题型:

5. The doctor told him (什么时间吃药) .

查看答案和解析>>

科目:初中英语 来源: 题型:

8. The famous Broadway musical Cats is a play (fill) with lots of wonderful songs.

查看答案和解析>>

科目:初中英语 来源: 题型:

1. She was (极小的) ,but she had a very loud voice.

查看答案和解析>>

科目:初中英语 来源: 题型:

2. He (think) to himself ,“Who can help me with the problem?”

查看答案和解析>>

科目:初中英语 来源: 题型:

4. 有一群人在大厅里。

There were people in the hall.

查看答案和解析>>

科目:初中英语 来源: 题型:

5. In some parts of the world,you boil the water before drinking it.

查看答案和解析>>

科目:初中英语 来源: 题型:

5. 西蒙不知道在哪里能找到关于足球的书。

Simon doesn’t know books about football.

查看答案和解析>>

科目:初中英语 来源: 题型:


1.  (2015 •兰州) Lao She was a great (write) and he’s especially famous for his play,Teahouse.

查看答案和解析>>

同步练习册答案