В каких случаях писать Play или plays

Play is used for the first and for the second persons in singular and plural. Play is used for the third person in plural. We use plays for the third person singular. We use play and plays in Present Indefinite. Present Indefinite is used for common actions. Present Indefinite is formed with the help of the suffix – s / - es. We add this suffix in the third person singular.

I play basketball with my friends every day.

You play chess very well.

He plays football.

She plays the piano well.

We play games with the children.

They play an interesting game.