Compounds have e for a throughout: as, dē-scendō, dē-scendere, &c.
| vorrō, verrō, sweep | vorrere, verrere | -vorrī, -verrī | vorsus, versus |
| vortō, vertō, turn | vortere, vertere | vortī, vertī | vorsus, versus |
[951.] (b.) With the present stem in -lo|e- ([833]).
| vollō, vellō, tear | vollere, vellere | vollī, vellī | volsus, vulsus |
Late perfect vulsī (Sen., Luc.); -vulsī (Laber., Col., Sen., Luc.).
[(B.) PERFECT STEM IN -s-, OR IN -v- OR -u-.]
PERFECT STEM IN -s-.
[952.] (1 a.) The following verbs in -ere have the perfect stem in -s- ([867]), and the perfect participle, when used, in -tus:
[953.] (a.) With the present stem in -o|e- ([829]).
| carpō, nibble, pluck | carpere | carpsī | carptus |