1. finished 在这里是形容词,作表语。如果用动词finish,不能用过去时而应该用一般现在时:when she finishes。
2. at work 是介词短语,在这里作状语,意思是在班上。类似的例子:
You can call me at work. at work作状语
I am at work right now. at work作表语
Are you bored at work? at work作状语
at work有另一个意思,就是”正在工作中”。例如:
GE is imagination at work.
通用电器是梦想启动未来 (通用电器的广告,直译是通用电器是不停工作的想象力)
This highway is your tax dollar at work.
这条公路是你的纳税美元造出来的。
第一个应该是会议结束吧感觉应该是it is finished第二个 就是固定搭配