He can translate text from English into Russian.
She can't cook well.
Can he write a letter to his friend?
They can tell you the truth if you want.
You can't change anything.
He could help me yesterday at school, but he was very busy.
My father couldn't buy a car last year, he had no money.
Could you help me?
She couldn't swim when she was small.
I couldn't tell you the truth.
You must call me every day.
She mustn't cross the road there.
Must I help you in doing your homework?
Must I translate all these sentences?
You must do your homework yourself!!!!
May I come in?
You may do it now if you want.
You may not help him.
you may go out if the weather is fine.
May I give you a book?