can speak
She knows how to speak Russian.
Tom lê bastante bem em francês, mas não sabe falar.
Tom reads French quite well, but he doesn't know how to speak it.
She speaks Spanish well.
Você sabe falar bem o francês?
Do you speak French well?
Todo mundo que conheço sabe falar Francês.
Everyone I know can speak French.
O Bill sabe falar um pouco de japonês.
Bill knows how to speak a little Japanese.
My uncle can speak German.
He also knows how to speak Russian.