Yhe has already done the work yhe children are reading now she was sleeping bor 2 hours yesterday am drank coffe last night поставить вопросительные и отрицательные предложения

1)Has she already done the work?
She han't already done the work
2)Are the children reading now?
The children aren't reading now
3)Was she sleeping for 2 hours yesterday?
She wasn't sleeping for 2 hours yesterday
4)Did you drink coffee last night?
I didn't drink coffee last night