不是高手，試解一下。

 

He used to be a sailor.

這句子的否定式是：

He didn't use to be a sailor

Or

He used not to be a sailor.

個人認為反意疑問句應是：

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

Or

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

 

 

 

 

 

所有跟帖： 

• 謝謝愚教授！你的答案正好和補課中的例子吻合。 -beautifulwind- ♀ (0 bytes) () 10/19/2011 postreply 23:06:33