英语翻译UNIT GOALS-\x09Use must,have to,and have got to to show

问题描述:

英语翻译
UNIT GOALS
-\x09Use must,have to,and have got to to show something is necessary
-\x09Use must not an cannot to show something is prohibited
-\x09Choose between have to and have got to
-\x09Use do not have to to show something is not necessary
-\x09Use have to for must in the past
1个回答 分类:英语 2014-12-10

问题解答:

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单元目标:
- 用must,have to和 have got to 来表示某些东西是必须的.
- 用must not 和 cannot来表示某些东西是禁止的.
- 在have to 和 have got to 之间选择.
- 用 do not have to 来表示某些东西不是必须的.
- 用 have to表示过去的必须.
must 表示必须要.(现在时态)
have to 表示不得不做.(本身含有过去不得不做.的意思)
have got to 表示不得不做.(和have to 用法一样)
must not 表示禁止,一定不可以做什么,表示禁令.
can not 表示不能,不可以做什么,更加注重表示的是一种能力,表示没有能力做什么
例子:
1,You must watch the traffic lights when you cross the road.过马路时必须要看红绿灯.
2.She can not see anything without her glasses.没有眼镜,她什么都看不清楚.(没有能力)
3.Kate has to finish all her homework before going to bed.上床睡觉前,Kate不得不完成作业.
 
 
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