Although the rain have not sttopped,I have to go to the bus stop.
Although my mother has not come back,I am happy enough.
Uncle Li mended the door,althoug no one paid for it.
My dad had not come back until I went to bed.
Mr Green have not been happy until his son come to be a top student.
I have not realized how upset my mother is until I find the teaars in her eyes.