Present simple

Para se fazer o simple present, usamos o infinitivo do verbo.
Na terceira pessoa do singular, na afirmativa (he, she, it - ou um nome "Peter"), coloca-se um -s no fim do infinitivo.
Na negativa e na interrogativa usamos o verbo auxiliar to do.

• Affirmative sentences

I play football.
You play football.
He / she / it plays football.
We play football.
You play football.
They play football.

• Negative sentences

I don't play football.
You don't play football.
He / she / it doesn't play football.
We don't play football.
You don't play football.
They don't play football.

• Questions

Do I play football?
Do you play football?
Does he / she / it play football?
Do we play football?
Do you play football?
Do they play football?