1) My friends don't play in the school yard every day.
2) My friends didn't play in the school yard yesterday.
3) My friends haven't played in the school yard yet.
4) My friends aren't playing in the school yard now.
1) My friends don't play in the school yard every day.
2) My friends didn't play in the school yard yesterday.
3) My friends haven't played in the school yard yet.
4) My friends aren't playing in the school yard now.