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?