Lesson XX
Lesson 20
3rd -io conjugation verbs
4th conjugation verbs
rd
3 -io and 4th Conjugation
Verbs
·3rd -io conjugation verbs have –io, -ere as their dictionary
endings.
·4th conjugation verbs have -io, -ire as their dictionary
endings.
·3rd -io and 4th conjugation verbs have similar charts.
capio, capere, cepi, captus:
take
·Go to the 2nd principal part
·Drop the –ere
·Stem is CAP·3rd -io conjugation verbs drop 3 letters to find their stem.
·We’ll replace that first –e- with another vowel.
·Here’s what 3rd -io conjugation present tense endings
look like with their “new” vowels.
·Note the "-i-" in the first person singular and 3rd person
plurals.
·-io
·-is
·-it
-imus
-itis
-iunt
·Back to “capio, capere.”
·We dropped the –ere instead of just the “-re.”
·Present tense
capio
·capis
·capit
·
capimus
capitis
capiunt
Imperatives (commands)
To
form the imperative (command) form of a 3rd conjugation -io
verb like “capio,” drop the –re from the 2nd part.
capere -re
CAPE (put!) --- singular
capere –re + -ite CAPITE (put!) --- plural
4th Conjugation Verbs
munio, munire, munivi, munitus: fortify
·Go to the 2nd principal part
·Drop the –re
·Stem is MUNI-
·Present Tense:
munio
·munis
·munit
·
munimus
munitis
muniunt
Imperatives (commands)
To
form the imperative (command) form of a 4th conjugation verb
like “munio,” drop the –re from the 2nd part.
munire -re
MUNI (fortify!) --- singular
munire –re + -te MUNITE (fortify!) --- plural
rd
3 -io and 4th Conjugation
Verbs
·Perfect (past) Tense:
·Drop the -i from the 3rd principal part and add the perfect
endings like all other verbs do.
·munio, munire, munivi, munitus: fortify
·munivi
·munivisti
·munivit
munivimus
munivistis
muniverunt
1
3rd -io conjugation verbs have -o, -ere as their dictionary endings.
Yes
No
2
4th conjugation verbs have -io, -ire as their dictionary endings.
Yes
No
3
Both 3rd -io and -4th conjugation verbs use -io and -iunt as two of their
present tense endings.
Yes
No
4
All verbs, no matter which conjugation, use the same perfect (past) tense
chart.
Yes
No