I contributed books to the local library.

We made a contribution to the local library.

Part of this movie is based on actual events.

I go to the library every month.

I go to the library every month.

He attends a class to learn dialects every month.

He donated a large number of books to the local library.

His income is one million yen per year.

He donates a portion of his income every month as charity.

He is my best friend.