这句英语对吗?如果错的话如何改.

问题描述:

这句英语对吗?如果错的话如何改.
After mading sure the alarm clock worked that I set so that it would ring at six O'clock .

After making sure the alarm clock works,I set it to ring at six o'clock.
在确定闹钟没坏之后,我设置闹铃在6点钟.