Present Perfect Continuous negative

Present Perfect Continuous: Write negative sentences.

I TV. (long form)
I TV. (short form)
You TV. (long form)
You TV. (short form)
He/She TV. (long form)
He/She TV. (short form)
We TV. (long form)
We TV. (short form)
You TV. (long form)
You TV. (short form)
They TV. (long form)
They TV. (short form)