I would stay
Me quedaría aquí a gusto, si estuvieras conmigo.
I would be happy to stay here, if you were with me.
— La doncella (2016)
I would stay, but I can't.
I thought I would stay.
Pero no te odio, si llegara a odiarte no me quedaría nadie mas en el mundo.
But I don't hate you; if I ever hated you, there would be no one else left in the world for me.
— El hombre sin pasado (2010)
Si tuviera el dinero, me quedaría inmediatamente con este ordenador.
If I had the money, I would buy this computer immediately.
Si tuviera que estudiar, me quedaría en casa todos los días.
If I had to study, I would stay home every day.
Si yo pudiera, yo me quedaría.
If I could, I would stay.
Me quedaría a charlar, pero tengo que irme.
I’d stay and chat, but I have to go.