I wonder

taro

I wonder who is she.
I wonder who she is.

I wonder who is reading this.
I wonder who reads this.

I wonder what did she see.
I wonder what she sees.

can anyone tell me which ones are correct and why?

liverbj

以下是引用taro在2005-8-23 14:05:44的发言：

I wonder who is she.--错误， 名词性从句不可以倒装。
I wonder who she is.--正确

I wonder who is reading this. --正确
I wonder who reads this.--正确

I wonder what did she see. --错误，名词性从句不可以倒装。
I wonder what she sees.--正确

can anyone tell me which ones are correct and why?