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.
Объяснение:
He doesn't know French perfectly. Does he know French perfectly? I don't understand everything he says.
Do you understand everything he says? She doesn't make mistakes in spelling. Does she make mistakes in spelling? They don't enjoy their English lessons. Do they enjoy their English lessons? They don't live in Kiev. Do they live in Kiev? We don't use our books in class. Do we use our books in class? The plane doesn't leave at ten o'clock. Does a plane leave at ten o'clock? She doesn't always come to class late. Does she always come to class late?
