“Didn’t you buy” vs. “Don’t you buy it”: Understanding the Difference

“Didn’t you buy” is a question asking if someone made a purchase. Example: ‘Didn’t you buy a new car?’

‘Don’t you buy it’ is a statement suggesting the person regularly purchases something. Example: ‘Don’t you buy coffee every morning?’

“你不是买了吗？”是一个问句，询问某人是否购买了某物。例句：“你不是买了一辆新车吗？”

“你不是买它吗？”是一个陈述句，暗示某人经常购买某物。例句：“你不是每天早上都买咖啡吗？”