189. Many verbs have more than one set of forms, of which only one is generally found in classic use.
lavō, lavāre or lavĕrewash (see § 211.e) scateō, scatēre or scatĕregush forth lūdificō, -āre or
lūdificor, -ārīmock fulgō, fulgĕre or fulgeō, fulgēreshine