few children of his age是单数还是复数

a few of是单数还是复数 some of the children 是单数还是复数 children 做主语是单数还是复数 the children each是单数还是复数 his hobbies是单数还是复数 A group of children 用单数还是复数? Very few 做主语 谓语是单数还是复数 very few做主语是用单数还是复数? children后面接动词三单还是复数形式?children本身是复数还是单数? 儿童children是单数还是复数,更少儿童英语咋说? mother with children 是算单数还是复数? None of us是单数还是复数