Belong to is a phrasal verb, it can be used in a couple of different ways.
We commonly use this phrasal verb to say that something is connected to something else or to a place or a time or a person. For example:
- He and his family belong to a Baptist church.
- Leonardo da Vinci and Michelangelo belong to the Renaissance era.
- They are perfect for each other, they belong to each other.
- Did you belong to a society in school? No, I didn’t belong to any society.
Other times we use belong to indicate possession or ownership. For example:
- The puppy belongs to my sister.
- That house belongs to our new neighbours, they are very friendly.
- Who does this book belong to? It belongs to me.
- Does this laptop belong to you? No, it doesn’t belong to me.