Latin Reference

Case System

Case Function Example English

Nominative

Subject

Puer legit.

The boy reads.

Genitive

Possession / "of"

Liber pueri.

The boy’s book.

Dative

Indirect object / "to/for"

Do librum puero.

I give the book to the boy.

Accusative

Direct object

Video puerum.

I see the boy.

Ablative

"by/with/from"

Cum puero ambulo.

I walk with the boy.

Vocative

Direct address

Puere, veni!

Boy, come!

First and Second Declension

Case 1st F (puella) 2nd M (servus) 2nd M (puer) 2nd N (bellum)

Nom. sg.

puella

servus

puer

bellum

Gen. sg.

puellae

servi

pueri

belli

Dat. sg.

puellae

servo

puero

bello

Acc. sg.

puellam

servum

puerum

bellum

Abl. sg.

puella

servo

puero

bello

Nom. pl.

puellae

servi

pueri

bella

Gen. pl.

puellarum

servorum

puerorum

bellorum

Acc. pl.

puellas

servos

pueros

bella

Essential Verbs

Infinitive Meaning 1st sg. Present Perfect

esse

to be

sum

fui

habere

to have

habeo

habui

facere

to do/make

facio

feci

dicere

to say

dico

dixi

videre

to see

video

vidi

venire

to come

venio

veni

dare

to give

do

dedi

ire

to go

eo

ii

scire

to know

scio

scivi

posse

to be able

possum

potui

Latin in Technical Contexts

Term Origin Modern Usage

ad hoc

"to this"

For this specific purpose

de facto

"from the fact"

In practice, whether by right or not

et cetera

"and the rest"

And so on

id est (i.e.)

"that is"

Clarification

exempli gratia (e.g.)

"for the sake of example"

For example

status quo

"the state in which"

Current situation

per se

"by itself"

Intrinsically

vice versa

"the position being reversed"

Conversely

ergo

"therefore"

Therefore (logical conclusion)

cf. (confer)

"compare"

Compare with

sic

"thus"

Quoted as-is, including errors

N.B. (nota bene)

"note well"

Pay attention