This is and ESL worksheet to be used when teaching the phrase "used to." After explaining to the students the rules for using the phrase, you can play this game. The students are to walk around the classroom posing questions to fellow classmates. They pose various questions by using the words in the boxes. For example, one box says "used to play soccer," Student A would ask, "Did you used to play soccer?" And Student B needs to respond. If Student B says yes, he or she writes his or her name in the box. The students should continue until all their boxes are complete or time runs out.