family的复数是什么?

family作家庭使用时的复数是families，表示几个家庭。family作"家庭"时，表示家庭这个整体，是单数概念。作主语时，谓动用单数。

family 作"家人" 时表示复数概念, 作主语时, 谓动用复数; family一词不用复数形式。

family的复数使用例句

My family is very large.我的家庭是个很大的家庭。(单数)

There’s been some bad feeling between the two families.（指两个家庭）
两家人之前有过节。

Some families stocked their cellars with food and water.
有些家庭在地窖里储备了食品和水。

Divorce breaks up a lot of families.
离婚拆散了许多家庭。

Some families have been republican for generations.
有些家庭世代都支持共和党。

The number of families seeking shelter rose by 17 percent
寻求避难的家庭户增加了17%。