I have decided
He decidido devolver todo el dinero que robé.
I’ve decided to return all the money I stole.
Como tengo muchísimo tiempo libre, he decidido estudiar francés.
Since I have so much free time, I’ve decided to study French.
No he decidido a qué trabajo voy a presentarme.
I haven't decided which job I'm going to apply for.
Now I've made up my mind.
I've decided to do that on my own.
I've decided to do it on my own.
I still haven't made up my mind.
I've decided to retire.
He decidido no utilizar la magia para ganar esta guerra.
I have decided not to use magic to win this war.
— El castillo ambulante (2004)