Crossword Puzzle Irregular Preterite (stems)Online version Irregular Preterite (stems) by Michael Karbowski 1 (ellos) to compete 2 (Uds.) to prefer 3 (nosotros) to compete 4 (ellas) to sleep 5 (nosotras) to sleep 6 (tú) to serve 7 (ellos) to ask for, to order 8 (tú) to sleep 9 (nosotros) to ask for, to order 10 (tú) to ask for, to order 11 (yo) to prefer 12 (él) to follow 13 (Ud.) to serve 14 (ella) to sleep 15 (él) to ask for, to order 16 (yo) to sleep 17 (yo) to follow 18 (yo) to ask for, to order 18 13 15 11 3 16 10 5 12 8 4 6 1 14 17 7