1.一般词尾加er/est.tall----taller----tallest short----shorter---shortest small---smaller----smallest2.以不发音的"e"结尾的加r/st.nice---nicer---nicest fine---finer----finest large---larger---largest 3....那你还知道有没有特殊形式的吗？有good/well---better---best bad/badly/ill----worse----worstfar---farther/further----farthest/furthestold---older/elder-----oldest/eldest