For each of the following, identify the Bronsted-Lowry acid, the Bronsted-Lowry base, the conjugate acid, and the conjugate base.
HI + H20 = H3O^+ + I-
CH3NH2 + H20 = OH^- + CH3NH3+
CO32- + H2O = OH- + HCO3-
HBr + H2O = H3O+ + Br-