1. Chapter 3
Language Fact I
Second Declension Masculine -us Nouns

2. We're Men! (mostly)
Singular Plural
Nom amicus amici
Gen amici amicorum
Dat amico amicis
Acc amicum amicos
Abl amico amicis

3. Language Fact II
Second Declension Masculine -er, -ir nouns
• Just check the genitive to see what the stem is
• Use the stem to form everything but the nominative singular
• Use the dictionary entry!!!

4. Language Fact III
Genitive Case
• "of ______"
• Possessive "girl's"
• is an adjectival modifier

5. Language Fact IV
Vocative Case
• Use as a form of address
• Looks identical to the nominative
Voc = Nom

6. Exceptions!!
• Words that end is -us have a vocative of "e"
• Words that end in -ius have a vocative of "i"

7. Language Fact V
Prepositional Phrases

8. Examples
Preposition + a noun (object of the preposition)
prepositions are followed by the ablative (sometimes
accusative)
• in agris
• cum amico
• in via
• in clivo
• in casa