Verbs Grammar Index Page

What is a Conjugation?

A conjugation can refer to two verb concepts in Latin:

  1. It is the family to which a verb belongs. There are 4 verb families in Latin and a few irregular verbs that do not fit into any family. The conjugation is determined by the second principal part of a verb, also known as the infinitive.
    These are:
  2. It is a list of six possible forms of a verb that are determined by the subject of the verb. Who is doing the action determines the verb ending. When we list the verb forms the noun conjugation changes to the verb, to conjugate. In English we can conjugate such words as 'to be.'

I am, you are, he is, we are, you (all) are, they are. This is considered conjugating a verb. Note that it is considered incorrect to say 'I is' 'You is' 'He are' 'We am.' How do you know this is incorrect? It sounds wrong. You never had to memorize these forms since you grew up hearing them if English is your native language.

Let's look at the verb 'to do.' I do, you do, he does, we do, you do, they do - where did 'does' come in? Why, the 'es,' why the 'funny' pronunciation? Can one say 'I does?' Yes, one can say this and be understood, but all hearers understand this is incorrect grammar.

In Latin we conjugate a verb with 6 different sets of endings that are determined by the subject. The subject is not always stated in Latin. I do not need to (but I may use a personal pronoun such as 'I', 'we', etc. The ending indicates who is doing the action of an active verb.
These endings are called personal endings:

Singular Plural
Latin English Latin English
-o,-m I -mus we
-s you (sg.) -tis you (pl.)
-t he, she, it -nt they

Note that with the exception of 'o' there are no vowels. The vowels one uses are determined by the verb's conjugation.

amo, amâre - 1st conjugation the vowel is 'a'
amo I love amâmus we love
amâs you sg. love amâtis you pl. love
amat he, she, it loves amant they love
doceô, docêre - 2nd conjugation the vowel is 'e'
doceo I teach docêmus we teach
docês yousg. teach docêtis you pl. teach
docet he, she, it teaches docent they teach

Note how in the first and second conjugations the vowel comes directly from the infinitive, the second principal part.

In the 3rd and 4th conjugations, consider that you are going into debt. The vowels you use here are i, o, u.

ducô, ducere -'i' is used for all by the I and They forms.
duco I lead ducimus we lead
ducis you sg. lead ducitis you pl. lead
ducit he, she, it leads ducunt they lead

The third 'io': capiô, capere (we use the same endings as with duco, but the presence of 'i' before the 'o' in the first principal part, it means there must always be an 'i' in the present system. Only put an 'i' in place when there is none...such as '-iunt.' Note that the I is short, pronounced like the 'i' in 'is' or 'it.' The stress is on the first syllable, 'cap'.

capio I lead capimus we lead
capis you sg. lead capitis you pl. lead
capit he, she, it leads capiunt they lead

The fourth conjugation is marked by an infinitive ending in '-îre'. audio, audîre is an example: It will look just like the 3rd conjugation including '-iunt.' Note that the I is long, pronounced like the 'e' in 'bee.' The stress varies. One never stresses the last syllable in Latin. I have bolded the stressed syllable for your pronounciation guide.

audio I hear audîmus we hear
audîs you sg. hear audîtis you pl. hear
audit he, she, it hears audiunt they hear

There are a few irregular verbs.

In a nutshell, to conjugate a verb, one must:

1. know the conjugation of the verb i.e. what is the infinitive ending?
2. distinguish between the short and long 'e' in the infinitive forms of the 2nd and 3rd conjugations.
3. find the stem- by dropping the 're' of the infinitive
conjugation infinitive stem
1st amâre amâ...
2nd docêre docê
3rd ducere duc (+i,o, or u)...
4th audîre audî...
4. add the personal endings according to the subject you are trying to express e.g. I hear... audio he hears audit.
5. know the personal endings
-o,-m
-s
-t
-mus
-tis
-nt
The above descriptions are for the present active indicative tense.

Tense in Latin as in English when used in conjunction with verbs refers to the time in which an action takes place. There are 3 tenses that are built from the present infinitive, the form that is indeed the second principal part of the verb.
These are:

Present(action happens NOW)
Imperfect (action happened in the past and was an ongoing action at the time or may still be occurring)
Future (action has yet to occur)
To learn more about these tenses go to the Grammatica section under verbs.

Active refers to whether the subject is doing the action or receiving it:
Sextus throws the ball v. The ball is thrown by Sextus.
Active voice verb             Passive voice verb

Indicative refers to the most common verb mood, indicating or expressing facts. This is used for general conversation. Other moods are the imperative which indicates a command and the subjunctive (Latin 2 and 3) by which wishes, possibilities, conditions, and other vague situations are expressed.

There are other tenses as well, but these formed with different instructions.

^ Grammatica




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