Sorry, I forgot to answer your question, While doing sth, sb did sth. (如有谬误，敬请指正)

一边。。。一边。。。(While 和 As) 1, They learn while they work. (一边学习，一边工作) 2, "Stop thief", cried the man as he ran. (拦住小偷，这个男人一边跑，一边喊) 一边。。。一边。。。(Over) Over coffee, our host told us a little about the history of the house. (一边喝着咖啡，主人一边给我们讲着一些关于这个房子的历史)