Verbos con cambios radicales en el pretérito (sandal verbs) Tools A B sentir to feel, to be sorry advertir to warn convertir to convert convertirse en to become divertir to amuse divertirse to amuse oneself (have fun) mentir to lie preferir to prefer sentirse to feel dormir to sleep morir to die dormirse to fall asleep servir to serve repetir to repeat conseguir to get, to succeed despedir to fire someone despedirse de to say good-bye to medir to measure pedir to ask for, to order, to request seguir to continue, to follow, to keep on vestir to dress vestirse to get dressed reír to laugh sonreír to smile freír to fry teñir to dye, to tint ceñir to be too tight, to encircle reñir to scold, to argue