has gotten
Tom todavía no se ha puesto de acuerdo con hacerlo.
Tom still hasn't agreed to do it.
Parece que se ha puesto creativo hasta ahora.
Looks like he's gotten creative so far.
It's gotten cold.
El río se ha puesto mucho más limpio que antes.
The river has become much cleaner than before.
The sun has set.
The sun has set.