Gramática: pronombres indirectos 
http://quizlet.com/69114729/indirect-object-pronouns-flash-cards/

¿Qué hago para mi hermanito?


Here you're being introduced to indirect object pronouns.  Notice that when you do things for your little brother, you don't say that you do them for, but instead say that you do them for te.  That's because you're the one doing the actions, and he's receiving.  Take a look at some things that you can do with your best friend, below.

¿Qué hago con mi mejor amiga?


Notice that le means her.  Le also means him. Take a look at the chart below.


¿Qué hago con mi hermanito y mi mejor amiga?



 
Indirect object pronouns:

 to me, for me  
 me  to us, for us 
 nos
 to you, for you (informal)   
 to you, for you (formal) 
 te
 
le
 to you-all, for you-all (informal) 
 to you-all, for you-all (formal)  
 os
 les
 to him, for him  
 to her, for her 
 le
 

 to them, for them  

 les



Use indirect pronouns when you're doing someone a favor, saying, sending or giving something to someone.  

When you use the verbs below, the person for whom you're doing the action will be the indirect object:

 ask  preguntar
 ask for (a favor, an item)  pedir
 cook  cocinar
 explain  explicar
 give (gift, hug)  dar, regalar
 hand over  pasar
 lend  prestar
 make  hacer
 respond  responder
 say  decir
 send  mandar
 serve  servir
 show  mostrar
 talk to  hablar
 tell  decir