Ya he terminado el libro que empecé la semana pasada.
I've already finished the book I started last week.
Context: reading Es importante que ya hables con tu profesor sobre el examen.
It's important that you already talk to your teacher about the exam.
Context: school Ya que hemos discutido el problema, ahora podemos proponer soluciones.
Since we've discussed the problem, we can now propose solutions.
Context: discussion