I don't understand math.
Present Simple
Have you talked to the teacher?
Present perfect
My laptop is broken! I will have to buy a new one.
Future
Are you going to Marko's party tonight?
Going to future
I was watching TV when I heard someone knocking.
Past continuous, past simple
Oceans cover 70% of the earth`s surface.
Present simple
I has been raining for days!
Present perfect continuous
Did you enjoy the film?
Past simple
I'm currently playing videogames.
Present continuous
We shall call you as soon as possible.
Future
It had snowed in the night, so the bus didn't arrive.
Past perfect
I'm thirsty. I think I will buy myself a bottle of water.
Future
They had not been married long when I was born.
Past perfect
I was practising every day, three times a day.
Past continuous
I wasn’t living there at that time.
Past continuous
I have owned my car since 2007.
Present perfect
