FOURTH CONJUGATION VERBS

Fourth Conjugation Verbs have the infinitive ending in -ire.

1. Present Tense:

-io

-is

-it

-imus

-itis

-iunt

Thus: venio

venis

venit

venimus

venitis

veniunt

Note that

-i

is the characteristic vowel of the fourth conjugation in the present tense,

changing to -iu in the 3rd person plural.

2. The Imperfect Tense

has regular endings, but with the characteristic

(Perfect, Pluperfect and Future Perfect) are regular, forming

normally from the stem of the third principal part. Note the following:

aperio, -ire, aperui, apertum, to open

audio, -ire, -ivi, -itum, to hear

nescio, -ire, nescivi, nescitum, to be ignorant of,

not to know

sentio, -ire, sensi, sensum,

to feel, know, sense

venio, -ire, veni, ventum, to come

convenio, -ire, -veni, -ventum, to meet, assemble

pervenio, -ire, -veni, -ventum, to arrive

Thus: Perfect: veni venimus