nurses have to work night shifts from time to time

问题描述:

nurses have to work night shifts from time to time
这里night shifts作状语?如果是,名词作状语还有哪些情况?
或是work及物,那么work在此是什么意思?

是vt的用法,night shift意思是值夜班的意思,作名词.直接跟在work后面表示一种状态,就是“轮流守夜”的意思.