We can dance well. they are at school. he rides his bike. they have got computer games. i go to bed at nine o'clock. (отрицательное предложение) (общий вопрос) (специальный вопрос)

They aren't at school. Are they at school? Where are they?
He doesn't ride his bike. Does he ride his bike? Who does ride bike?
They haven't got computer games. Have they got computer games? Whot have they got?
I don't go to bed at nine o'clock.  Do I go to bed at nine o'click? Where do I go to at nine o'clock?