¿Con quién?
with her
con ella
¿Cómo andas?
How are you? [temporary state such as emotions/feelings]
I make chocolate.
Hago chocolate.
I am going to class.
Voy a clase.
Is there an end to the universe?
with him
con él
¡Andale!
Go! or Get going.
Él hace chocolate.
She goes tomorrow.
Ella va mañana.
Hay tarea ahora? or Hay tarea hoy?
with us
con nosotros
Tu carro anda bien.
Your car is functioning well.
We make music.
Hacemos música.
Let's go to the beach!
¡Vamos a la playa!
Was there a problem yesterday?
Hubo un problema ayer?
with me
conmigo
¿Andas con alguien?
Are you with someone? [possibly meaning are you dating someone?]
I used to make chocolate.
I went to a concert.
Fuí a un concierto.
There used to be a lot.
Había mucho.
with you
contigo
Ando a pie.
I am walking or I am on foot.
What did you do yesterday?
¿Que hiciste ayer?
I used to go a lot.
Iba mucho.
¿Habra fiesta este fin the semana?