did not 的常用口语形式

Didn't you see the red light?
你没看到红灯吗？
Didn't I tell you to clean your room?
我不是告诉过你要打扫你的房间吗？
Didn't we agree to meet at 9 o'clock?
我们不是约定九点见面吗？
Didn't you finish your homework?
你作业没做完吗？
Didn't you hear the doorbell?
你没听到门铃响吗？
Didn't it rain yesterday?
昨天没下雨吗？
Didn't you have breakfast this morning?
你今天早上没吃早餐吗？
Didn't you read the instructions before using the device?
你在使用这个设备之前没看说明书吗？
Didn't you notice the warning sign?
你没注意到警告标志吗？
Didn't we have a meeting at this time last week?
上周这个时候我们不是有个会议吗？