不是高手,试解一下。

回答: 谢谢回答!不过全国牙防组2011-10-19 15:43:21

 

He used to be a sailor.

这句子的否定式是:

He didn't use to be a sailor

Or

He used not to be a sailor.

个人认为反意疑问句应是:

He used to be a sailor, didn't he?

Or

He used to be a sailor, usedn't he?

 

 

 

 

 

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谢谢愚教授!你的答案正好和补课中的例子吻合。 -beautifulwind- 给 beautifulwind 发送悄悄话 beautifulwind 的博客首页 (0 bytes) () 10/19/2011 postreply 23:06:33

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