“在……之前”的英文是before，“在……之后”的英文是after。
before的例句：
1、They arrived the day before yesterday.
他们是前天到的。
2、The year before last he won a gold medal, and the year before that he won a silver.
他前年得了一枚金牌，大前年得了一枚银牌。
after的例句：
1、After the war many soldiers stayed in France.
战后，许多士兵留在法国。
2、I go swimming every day after work.
我每天下班后都去游泳。
1、before的短语
①before all 尤其、特别
例句：Don't let poor strategy selection or the surfacing of imperious attitudes derail talks before all points have been made.
在所有的问题达成协议以前，不要让拙劣的策略选择或者专横态度的表现终止谈判。
②before long 没过多久(常用于将来时、过去时)
例句：This will let in his legions of demons and before long you will find yourself in darkness and despair.
恶魔的军队随之而入，不久以后，你就会发现自己陷入了黑暗和绝望中。
2、after的短语
①after all 毕竟
例句：After all, we are human.
毕竟我们都是凡人。
②after a while
例句：After a while, all the people all go toward to see here.
在一会儿之后，所有的人全部去向在这里见到。
柠檬朱古力
