Present Simple - He's a doctor.
She doesn't like apples.
Does he usually gets up at seven o'clock?
Past Simple - He was at work yesterday.
Was she in Paris last year?
I weren't in shop yesterday.
Future Simple - She will be fine.
My friend won't be able to make it.
Will he go to the theatre?
Present Continuous - I'm doing my homework now.
She isn't riding a bike at the moment.
Are we writing this poem to your parents now? (или самый распространённый вариант - What are you doing?)