The verb be after my whole family is singular or plural

The verb be after my whole family is singular or plural


singular
A family, so it's singular



Green family …… Is the be verb singular or plural


It's all possible
The Green family is a big one.
The Green family are having dinner at home.



Write the plural form of the following nouns zoo box leaf Chinese potato American political man story to photo fish


zoos
boxes
leaves
Chinese
potatoes
Americans
policemen
thieves
stories
toys
photos
Fish