Yhe has already done the work

yhe children are reading now

she was sleeping bor 2 hours yesterday

am drank coffe last night

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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