Gerunds Infinitives and Gerunds - regular, irregular (poder, reír), stem-changing (remember: only verbs that are -ir),and "y" verbs (traer, leer,caer and oír) Tools See a list of terms used in these activities. Matching Flashcards (Java / non-Java) Concentration Word Search Activities created by: carolee salvia This activity was created by a Quia Web subscriber. To learn how to make your own, just like this, click here.