When is the usage of family written as families?

My family is near the school
My families are happy

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1. Is the predicate verb singular or plural?
2. The plural of family
3. When is a family singular or plural?
4. Is family a singular or plural verb my family ___ (go)to the park. The Wangs___ (go)to the park.
5. Is family plural? Is the verb be followed by are or were Just answer one word, even if the first answer is not as good as others, I will decide him as the best, but to be correct
6. What are the plural forms of the nouns photo, class, knife, zoo, family, child?
7. What do you mean when the collective nouns, family, class, team are plural? Is there a word like that?
8. People is a collective noun, but is it countable? What is the plural?
9. Is people a countable plural or uncountable noun? Is it a fee or a little?
10. If family refers to family members, is it an uncountable noun or a plural singular?
11. Specific usage of family (especially when to make singular and plural) What's more, is "our family like playing football" plural or singular?
12. That's an orange
13. This is a book that is my parent yes it is that your pencil?
14. Please use it is + noun + that to make a sentence
15. That a girl and that girl? That's right? Do countable nouns have to be singular or plural in any case? If not, under what circumstances?
16. When are nouns required to appear in the singular and plural? - Aber die Leute,die mir wirklich wichtig sind,mit denen habe ich immer noch sehr engen Kontakt. - Auch bei Entlassungswellen fällt hüufig weicher,wer sich auf gute Kontakte innerhalb des Unternehmens berufen kann. Kontakt in sentence 1 is singular; kontakte in sentence 2 is plural
17. Five sentences in which nouns change from singular to plural
18. Can I use the plural noun + the plural noun
19. Is there a plural noun after "other"? Can we add plural nouns after other? What about others?
20. What does it mean that other can't be used alone? Some people like to stay at home on Sundays, but others like to go to the cinema