谁能用before造句？

给你个网站 上去看看 应该对你有帮助.
建议你抱着学习的目的去利用这个，不要过度依赖。 www.iciba.com

you should finish your homework before seven o'clock.
你应该在七点之前完成作业。

He sat just before me.
他就坐在我的前面。

I eat breakfast before go to school

简单点的：I always brush my teeth before breakfast.

Don't close the door before I leave here