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258. The Principal Parts of an Irish Verb are—
(1) The 2nd sing. of the Imperative Mood.
(2) The 1st sing. of the Future Simple.
(3) The Past Participle (also called the Verbal Adjective).
(4) The Verbal Noun.
(a) The Imperative 2nd. pers. sing. gives the stem of the verb from which most of the other tenses and persons are formed.
(b) The Future tells to what conjugation (first or second) the verb belongs, and gives the stem for the Conditional.
(c) The Past Participle shows whether t is aspirated or unaspirated in the following persons, which are formed from the past participle—i.e.:
- Present, 2nd plural.
- Imperfect, 2nd singular.
Autonomous.
- Imperative, Present, and Imperfect.
Verbal noun.
- Gen. sing. and nom. plural.
(d) With the Verbal Noun are formed the compound tenses.
