Present perfect continuous 1 i work really hard 2 the sun

1. I have been working really hard.
Have I been working really hard?
I havent been working really hard.
2. The sun has been shining all day.
Has the sun been shining all day?
The sun hasnt been shining all day.
3. She has not been studying hard enough.
Has she been studying hard enough?
She has been studying hard enough.
4. You have been eating all morning.
Have you eating all morning?
You havent been eating all morning.
5. You have been waiting for a long time.
Have you been waiting for a long time?
You havent been waiting for a long time.
6. He has been cleaning his car.
Has he been cleaning his car?
He hasnt been cleaning his car.