rest作主语,谓语动词用什么形式

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.

are