You and your ex must first heal individually before the possibility of becoming friends after a break up comes up. Your ex is also finding the situation difficult. They’re living with their decision to stop seeing you and this can be difficult considering the length of time you were together. They will only feel more confused even if you continue to contact them as a friend.
If you see your ex with someone else and get jealous, what would you do? Friends do not show jealousy towards each other. Right now, too much emotions make it hard to be friends after a break up.
Right now, what you should do is focus on your life.
Try connecting with your friends and family right now. You can also enroll in a class you like and meet a new set of friends. The possibilities are limitless.