Editing Latin conjugation (section)

===''Eō'' and compounds===
The verb {{lang|la|eō}} "I go" is an irregular 4th conjugation verb, in which the ''i'' of the stem sometimes becomes ''e''. Like 1st and 2nd conjugation verbs, it uses the future ''-bō, -bis, -bit'':<ref>Gildersleeve & Lodge (1895), pp. 115–6.</ref>

{| class="wikitable" style="width: 55em;"
|-
!
!
!colspan="3"|Indicative
!
!colspan="2"|Subjunctive
|-
!
||||'''Present'''||'''Future'''||'''Imperfect'''||||'''Present'''||'''Imperfect'''
|-
!rowspan=2|Active
||||''I go''||''I will go''||''I was going'' || ||''I may go''||''I might go''
|-
|''I<br />you sg.<br />he, she, it<br />we<br />you pl.<br />they''
|'''{{lang|la|eō<br />īs<br />it<br />īmus<br />ītis<br />eunt|italic=no}}'''
|'''{{lang|la|ībō<br />ībis<br />ībit<br />ībimus<br />ībitis<br />ībunt|italic=no}}'''
|'''{{lang|la|ībam<br />ībās<br />ībat<br />ībāmus<br />ībātis<br />ībant|italic=no}}'''
|
|'''{{lang|la|eam<br />eās<br />eat<br />eāmus<br />eātis<br />eant|italic=no}}'''
|'''{{lang|la|īrem<br />īrēs<br />īret<br />īrēmus<br />īrētis<br />īrent|italic=no}}'''
|-
|}

Other forms:

*Infinitive: '''{{lang|la|īre|italic=no}}''' "to go"
*Passive infinitive: '''{{lang|la|īrī|italic=no}}''' "to go" (used impersonally, e.g. {{lang|la|quō īrī dēbēret ignōrantēs}} "not knowing which way to go")
*Imperative: '''{{lang|la|ī!|italic=no}}''' (pl. '''{{lang|la|īte!|italic=no}}''') "go!"
*Future imperative: '''{{lang|la|ītō!|italic=no}}''' (pl. '''{{lang|la|ītōte!|italic=no}}''') "go! (at a future time)" (rare)
*Present participle: '''{{lang|la|iēns|italic=no}}''' (pl. '''{{lang|la|euntēs|italic=no}}''') "going"
*Future participle: '''{{lang|la|itūrus|italic=no}}''' (pl. '''{{lang|la|itūrī|italic=no}}''') "going to go"
*Gerundive: '''{{lang|la|eundum|italic=no}}''' "necessary to go" (used impersonally only)
*Gerund: '''{{lang|la|eundī|italic=no}}''' "of going", '''{{lang|la|eundō|italic=no}}''' "by / for going", '''{{lang|la|ad eundum|italic=no}}''' "in order to go"

The impersonal passive forms '''{{lang|la|ītur|italic=no}}''' "they go", '''{{lang|la|itum est|italic=no}}''' "they went" are sometimes found.<ref>Gildersleeve & Lodge (1895), p. 116.</ref>

The principal parts of some verbs which conjugate like {{lang|la|eō}} are the following:
:*{{lang|la|eō, īre, iī/(īvī), itum}} "to go"
:*{{lang|la|abeō, abīre, abiī, abitum}} "to go away"
:*{{lang|la|adeō, adīre, adiī, aditum}} "to go up to"
:*{{lang|la|coeō, coīre, coiī, coitum}} "to meet, assemble"
:*{{lang|la|exeō, exīre, exiī/(exīvī), exitum}} "to go out"
:*{{lang|la|ineō, inīre, iniī, initum}} "to enter"
:*{{lang|la|intereō, interīre, interiī, interitum}} "to perish"
:*{{lang|la|introeō, introīre, introiī, introitum}} "to enter"
:*{{lang|la|pereō, perīre, periī, peritum}} "to die, to perish"
:*{{lang|la|praetereō, praeterīre, praeteriī, praeteritum}} "to pass by"
:*{{lang|la|redeō, redīre, rediī, reditum}} "to return, to go back"
:*{{lang|la|subeō, subīre, subiī, subitum}} "to go under, to approach stealthily, to undergo"
:*{{lang|la|vēneō, vēnīre, vēniī, vēnitum}} "to be sold"

In the perfect tenses of these verbs, the ''-v-'' is almost always omitted, especially in the compounds,<ref>Gildersleeve & Lodge (1895), pp. 116, 90.</ref> although the form {{lang|la|exīvit}} is common in the Vulgate Bible translation.

In some perfect forms, the vowels ''ii-'' are contracted to ''ī-'': second person singular perfect {{lang|la|īstī}}, second person plural perfect {{lang|la|īstis}}; pluperfect subjunctive {{lang|la|īssem, īssēs, ..., īssent}}; perfect infinitive {{lang|la|īsse}} (the form {{lang|la|iisse}} is also attested).

The verb '''{{lang|la|queō, quīre, quiī/quīvī, quitum}}''' "to be able" has forms similar to {{lang|la|eō}}.