Questions & Answers about Mis amigos traen sus libros al parque.
Why is it mis amigos instead of mi amigos?
Mis is the plural form of mi. Since we're talking about more than one friend (amigos), we need to use mis.
What does traen mean, and why is it used here?
Traen is the third-person plural form of the verb traer (to bring) in the present tense. We use it here because the subject is mis amigos, which is plural.
How do we know if sus means "their" here and not "his" or "her"?
Why is it al parque instead of a el parque?
Is al parque always used for "to the park," or could it be translated differently?