A useful way to revise this level is to group forms by function.
FormsFunction
سَمِعَ / يَسْمَعُActive verbs
سُمِعَ / يُسْمَعُPassive verbs
سَامِعٌDoer noun
مَسْمُوْعٌAffected noun
This makes the Sarf-e-Sagheer easier to understand than memorizing one uninterrupted line.