Present Perfect:
I have done my homework already.
He hasn't done his homework yet.
I have never met such a nice person.
Present Simple:
I go to school every morning.
We usualy have tea after breakfast.
She works as a shop assistant.
Present Continuous:
I am listening to music now.
We are watching TV right now.
Peter is playing football now.
Past Simple:
I saw him yesterday.
They painted the house two years ago.
Nick visited his grandmother last week.
Past Continuous:
I was playing tennis when he called me.
She was writing a letter yesterday at 5 o'clock.
We were cooking dinner when he came.
