Don't forget you need both the correct conjugation of estar plus the gerund (-ando/iendo)! Watch out for the irregulars which you should memorize before the test! decir = to say/tell = diciendo repetir = to repeat = repitiendo seguir = to follow/continue = siguiendo pedir = to ask for/order = pidiendo vestir = to dress = vistiendo servir = to serve = sirviendo dormir = to sleep = durmiendo traer = to bring = trayendo leer = to read = leyendo oír = to hear = oyendo creer = to believe = creyendo
