The only one I don't remember is the Vosotros form. Also, it just wants you to conjugate it with a pronoun (I, He, You...etc) You can trust me because I know Spanish (I'm Puerto Rican) and I am in Spanish 3 class.
La primera es usualmente del antuigo testamento La Segunda Lectura es de los salmos y la ultima Lectura es siempre tomada delas cartas del postol San Pablo etc. .