Ii is great!的问句

what about going out for a walking?
It's great.

How do you like it?或
What do you think of it?(it可以具体的替换成"认为的事物")
提问“对。。。感觉怎么样”

问：How is Li ?
答：Li is great .

does Li be great?
Li is great 中，is great 是BE动词加形容词构成 系表结构，提问时要借用助动词。

Great! Isn't it?

Li is great, isn't he?