This Helping Verbs Past Dice 16mm Pkt of 2 is a great educational resource for students to practice verb conjugation. Each dice features 6 helping verbs in the past tense: will, have, did, would, should and could. Students can roll the dice, pick a verb, and practice conjugating it to create sentences. This product is a great way to help students understand and practice using helping verbs in the past tense.