Постановка вопросов к предложению His grandparents are in the country и к предложению My class mates must bing texbooks to school общ спец к подл раз альт отрец 

Are his grandparents in the country ? Общий Where are his grandparents? Специальный Who is in the country ? Вопрос к подлежащему His grandparents are in the country ,aren't they? Разделительный Are his grandparents or parents in the country ? Альтернативный Aren't his grandparents in the country? Вопросительно-отрицательный Must my classmates bring textbooks to school? Общий What must my classmates bring to school? Специальный Who must bring textbooks to school? Вопрос к подлежащему My classmates must bring textbooks to school,mustn't they? Разделительный Must my classmates bring textbooks or workbooks to school? Альтернативный Mustn't my classmates bring textbooks to school? Вопросительно-отрицательный