vesci ---- _eat_

Fourth Conjugation.

123. I. PERFECT ENDS IN -VI.

audio audire audivi auditus _hear_
So all regular Verbs of the Fourth Conjugation.
sepelio sepelire sepelivi sepultus _bury_

II. PERFECT ENDS IN -UI.

aperio aperire aperui apertus _open_
operio operire operui opertus _cover_
salio salire salui ---- _leap_

III. PERFECT ENDS IN -SI.

saepio saepire saepsi saeptus _hedge in_
sancio sancire sanxi sanctus _ratify_
vincio vincire vinxi vinctus _bind_
amicio amicire ---- amictus _envelop_
fulcio fulcire fulsi fultus _prop up_
refercio refercire refersi refertus _fill_
sarcio sarcire sarsi sartus _patch_
haurio haurire hausi haustus _draw_
sentio sentire sensi sensus _feel_

IV. PERFECT IN -I WITH LENGTHENING OF STEM VOWEL.

venio venire veni ventum (est) _come_
advenio advenire adveni adventum (est) _arrive_
invenio invenire inveni inventus _find_

V. PERFECT WITH LOSS OF REDUPLICATION.

reperio reperire repperi repertus _find_
comperio comperire comperi compertus _learn_

VI. USED ONLY IN THE PRESENT.

ferio ferire ---- ---- _strike_
esurio esurire ---- ---- _be hungry_

VII. DEPONENTS.

largior largiri largitus sum _bestow_
So many others.
experior experiri expertus sum _try_
opperior opperiri oppertus sum _await_
ordior ordiri orsus sum _begin_
orior oriri ortus sum _arise_
_Orior_ usually follows the Third Conjugation in its inflection; as
_oreris_, _oritur_, _orimur_; _orerer_ (Imp. Subj.); _orere_ (Imper.).
metior metiri mensus sum _measure_
assentior assentiri assensus sum _assent_

* * * * *

IRREGULAR VERBS.

124. A number of Verbs are called Irregular. The most important are sum,
do, edo, fero, volo, nolo, malo, eo, fio. The peculiarity of these Verbs is
that they append the personal ending