Le / lo conoce / conocen / conoces / conocéis
"How do you know him?" in Spanish is "¿Cómo lo conoces?" It is pronounced "KO-mow low ko-no-SACE?" Please see the Related link below for confirmation of the translation.
This is how u say it in spanish: que quieres saber?
Translation: Sabes español?
¿Sábes qué? = Do you know what?
¿Me conoces?
i didn't know that you speak spanish = no sabía que hablas español.
Yeah, I do...lol did you mean, How do you say, you know lots of Spanish? If that's the case, then you say,"Sabes mucho español".
Do you know about that is: Sabes de eso
No sé.
Ellos saben.
" Sabes que"
¿Sabías que?
No sé