After后面可以接一个句子,作为时间状语从句；后面还可以接名词,或者接动名词.两种用法记住即可.
如果这边没有After,那么就可以直接用：Graduated from ShanDong University,he found a job.这边用到的是非谓语动词形式.有After的时候：After he graduated from ShanDong University,he found a job.或者是After graduating from ShanDong University,he found a job.这算是介词短语作状语吗？当然算，作时间状语