Pupils usually have seven classes a day.
▪︎Общий вопрос:
Do pupils usually have seven classes a day?
▪︎Специальный вопрос:
How many classes do pupils usually have a day?
▪︎Вопрос к подлежащему:
Who usually has seven classes a day?
▪︎Разделительный вопрос:
Pupils usually have seven classes a day, don't they?
▪︎Альтернативный вопрос:
Do pupils usually have seven or eight classes a day?
