Составте 10 предложении present perfect отрицательные, вопросительные , утвердительные все вместе 10

Отрицательные:
I haven't prepared anything.
You haven't heard anything
We haven't changed anything.
Вопросительные:
What have you seen?
What have we lost?
What have you remembered?
Утвердительные:
I have asked him.
I have solved it.
You have guessed it.