This one page crossword contains 28 clues that ask students to conjugate verbs in the imperfect tense to fit them into the crossword. It has several uses of the 3 irregulars - ser, ver, and ir - and uses other regular -ar, -er, and -ir verbs only one time each. Some of the other verbs used include: explicar, volver, oír, responder, interrumpir, and comenzar. This serves as basic practice of the tense when students are first learning it or could be a review for higher levels to remember imperfect conjugations. The answer key is included.