The commercial advertisement is one of the things that we have to tolerate when we are watching tv
问题描述：
The commercial advertisement is one of the things that we have to tolerate when we are watching tv
when后面能去掉we are吗
答
可以,把它去掉以后就变成了状语从句的省略.类似的列子还有很多,when doing homework=when sb+be doing homewrok,when coming to school=when you come to school等等 补充一点省略的知识：省略的时候是从句里的主语...