Matching Pairs Stem-Changing VerbsOnline version Stem-Changing Verbs by Michael Karbowski 1 poder 2 dormir 3 pensar 4 cerrar 5 tener 6 repetir 7 servir 8 querer 9 empezar 10 venir 11 contar 12 pedir 13 volver 14 perder 15 encontrar to begin, to start to repeat to think, to plan to ask for, to order to return to want to serve to lose to be able, can to count, to tell to find to sleep to close to have to come (to a place, event)