关于when英语可以后面加终止性动词吗?可以加吗

when疑问句或名词从句引导词：什么时候的意思；When do you get up?Do you know when he gets up?when引导状语从句,“当……时候"When I saw him,I was very happy。用做并列连词,相当于:"and at that time"I was about to leave when my father came in。当然可以了。问句中常用终止性动词的：When did he arrive?从句：When he arrived,we left。