That is Lily's pen I am fine The orange is orange (否定句 一般疑问句

否定句：
That is not Lily's pen.
I am not fine.
The orange isn't orange.
一般疑问句：
Is that Lily's pen?
Are you fine?
Is the orange orange?
特殊疑问句：
Whose pen is that?
How about you?
What is orange?