Структура вопросительных предложений. задать общий вопрос, вопрос к подлежащему, разделительный, альтернативный и специальный - к предложению: he was playning tennis in the court twice a week/
He was playing tennis in the court twice a week. Was he playing tennis in the court twice a week? Who was playing tennis in the court twice a week? He was playing tennis in the court twice a week, wasn't he? He was playing tennis in the court or was swimming in the pool twice a week? How often was he playing tennis in the court? / What was he doing twice a week?
Was he playing tennis in the court twice a week?
Who was playing tennis in the court twice a week?
He was playing tennis in the court twice a week, wasn't he?
He was playing tennis in the court or was swimming in the pool twice a week?
How often was he playing tennis in the court? / What was he doing twice a week?