Some ways to talk to your teen are to be interested and listen to things in their life and not let them bring their phone to the dinner table.
A way to get them to open up is to play board games and card games with them.
Let your teen hang out with their friends but always have a set family time.
Long movies are a way to get together with the whole family.
Get little things for them and tell them that the little things are what matter in life.