|Direct object||(English object pronouns)||Indirect object|
him, her, it, you (Ud. form)
you (plural) [in Spain]
them, you (Uds. form)
• When used together, indirect object pronouns precede direct object pronouns (the exact opposite of the usual English order):
Nos los entregó a tiempo. She delivered them to us on time.
• When the first pronoun of the two would be le or les, it changes to se (sing. or plural):
Se lo quiero explicar antes de enseñárselo.
I want to explain it to her before showing it to her.
• Object pronouns may either precede the conjugated verb or be attached at the end of the infinitive or gerund:*
*written accents are needed according to the accentuation rules: envindosela, explicrnoslo..
voy a explicar. ↔ Voy a explicár.
estamos enviando. ↔ Estamos enviándo.