"The boys eat apples."

Translation: Os meninos comem maçãs.

[MissyMS]

Question, if words are plural, is that why it's comem? and O is Os?

[vivisaurus]

Yes. We have plural of the (os/as). The verb changes depending on whether we're talking about I/you/he/she/it/we/you/they.

You can check out conjugations here: http://www.conjugacao.com.br/

[rawz9209]

Guris?? I dont remember where that came from

[Paulenrique]

From the south region in Brazil.