北京四中网校 北京四中网校 答疑区
 →
搜索引擎 精华区
主题:
  祈使句的否定
内容:
  祈使句的否定应该如何做?
 
提交人:
ASUKA
时间:
9/24/2002 23:50:17
主题:
  1
内容:

  answer:
  祈使句用以表达命令,要求,请求,劝告等。

  1) 祈使句有两种类型,一种是以动词原形开头,在动词原形之前加do (但只限于省略第二人称主语的句子)。 
  Take this seat.
  Do be careful.
  否定结构:
  Don't move.
  Don't be late.

  2) 第二种祈使句以let开头。
  Let 的反意疑问句
  a. Let's 包括说话者 
    Let's have another try,shall we / shan't we?
    = Shall we have another try?

  b. Let us 不包括说话者
    Let us have another try,will you / won't you?
    = Will you please let us have another try?

  否定结构:
  Let's not talk of that matter.
  Let us not talk of that matter.
 
提交人:
tchliudq
时间:
9/25/2002 18:7:30