rest 本身就可做动词呀~
rest vi.1.休息;睡;安息,长眠[(+from)] 2.被支撑在,搁在;依赖,依据[(+on/upon
The rest 作主语时，其谓语要根据 the rest 所指的内容而定.如：
Some students are on the playground,and the rest are staying in class.(指的是the other students，谓语用复数.)
I drank only a little of the water.The rest was drunk by him.(指的是the water，谓语用单数.)
因为children是复数名词，所以用are
rest后面动词什么形式
rest to do something