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