quizáadverb

Quizá means maybe in English. It is an adverb.

maybe

Quizá él está aquí.

Maybe he is here.

Quizá tengo tiempo para comer.

Maybe I have time to eat.

Quizá mañana hace buen tiempo.

Maybe the weather will be good tomorrow.

No estoy seguro; quizá vaya mañana.

I am not sure; maybe I will go tomorrow.