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Трансформируйте данные предложения в вопросительное, используйте альтернативный, общий, специальный и разделительный вопросы.

He had brought the book before you came

They usually discussed laws before adopting

Общий: Has he brought the book before you came?
Do They usually discussed laws before adopting?
Альтернат: Has he or she brought the book before you came?
Do They or we usually discussed laws before adopting?
Спец: What he has before you came?
Were They usually discussed laws?
Разделительный : He had brought the book before you came, hasn't he?
They usually discussed laws before adopting, don't they