Formal: ?Puedo unir con Ud.?
Informal: ?Puedo unir contigo?
yo puedo unirme
Translation: ?Puedo ser parte?
¿Puedo unirme? would be the best way to say "Can I join?" in Spanish.
unir
"Join the fun, learn spanish" would be: ' Únete a la diversión, aprende español'
If you wan to say 'join us' in Spanish language, you will need to use the words: 'Unete a nosotros', this is if you want to say it in imperative form.
"To join" in Spanish is "reunirse". It is pronounced "ray-ooh-NEAR-say". Please see this site for confirmation of the translation: http://www.answers.com/library/Translations
Formal: Unase a nosotros Informal: Unete a nosotros
va a unirse a mi clan
reunete conmigo en el cuarto (smash: don't know what you mean by this word)
why do you think so many indians groups join the Spanish against the Aztecs
John and me are the object of the verb "join." You would say "Join me for a great show." You wouldn't say "Join I for a great show" So you should say "Join John and me for a great show."
puedo unirme a usted
Sister in law in Spanish is cunada.