be made to do是被动语态
意思是“被要求做，被迫做某事”
The workers were made to work 12 hours a day.
工人们被迫一天工作12小时。
主动语态中make sb. do
make的宾语补足语动词不定式前省略不定式符号to
The boss made the workers work 12 hours a day.
但是变为被动语态，动词不定式符号to必须使用
be made to+动词
被要求做某事
例如He is made to finished
the wOrk