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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