Сделайте предложения с тремя временами present simp present perfect present continuous отрицательное утвердительное и вопросительное

Presènt perfect

I've a red car.
I've not a red car .
have you a red car .

present continuous .
I am waiting for my friends .
I'm not waiting for my friends .
are you waiting for your friends ?

present simple
I work at the university every day except friday.
I don't work at the university .
do you work at the university ?