[2437.] In words of more than one syllable, final a and e are short; final o, u, and i, are long: as,
([a.]) N. aquila; Pl. N. and Ac. oppida, cētera, omnia.
([b.]) N. ille; N. and Ac. rēte; impūne ([701]); V. bone; Ab. tempore; Inf. prōmere; Imperat. rege ([826]); Pres. Ind. and Imperat. querere; Perf. rēxēre.
([c.]) N. sermō; D. and Ab. verbō; vērō ([704]). iō. regō, erō, amābō, rēxerō ([826]); estō.
([d.]) N. and Ac. cornū ([587]); D. and Ab. metū (590, 425, [593]); diū.
([e.]) G. frūmentī; V. Vergilī ([459]); G. domī ([594]); D. nūllī, orbī; Ab. sitī ([554]). Imperat. vestī ([845]). Inf. querī, locārī; Ind. Perf. rēxī ([856]), rēxistī.
Exceptions in a.
[2438.] (a.) Final a is long in the ablative, in indeclinable words, and in the imperative: as,