When my grandfather was a teenager,he USED TO WORK/WAS WOKING in a factory DID YOU USE TO/USED YOU TO live in a small town? i WOULD/USED TO have a cute little black dog,but sadly we had to sell him when me moved house how DID WE USE TO COMMUNICATE/WERE WE COMMUNICATING before mobile phones? when we were at primary school,we'D GO/WERE GOING to same place for our holidays every year. i DIDN'T USE TO/WOULDN'T LIKE A RAP MUSIC,BUT NOW I LOVE IT.