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IRREGULAR VERBS.
197.
Several verbs add some of the personal endings
of the present system directly to the root,[1][These are athematic verbs,
see § 174. 2.] or combine two verbs in their inflection. These are
called Irregular Verbs. They are sum,
voló, feró, edó, dó, eó, queó,
fió, and their compounds.
Sum has already been inflected in
§ 170.