1. Lessons 45-46 3rd Declension Neuter Nouns 3rd Declension I-Stem Nouns
Latin II
April 21-25, 2014

2. ATTENTION!
Vocabulary can be found on pages 316 and 320 in the textbook.
If you missed Tuesday, YOU ARE RESPONSIBLE for these words. THIS IS YOUR MAKE-UP ANNOUNCEMENT.
Next week, “I never got those words” will not excuse you from the test (Tuesday/Wednesday).
Words can also be found on the Weebly:

3. Third Declension Neuter Nouns
We’ve already learned the chart for 3rd declension masculine/feminine nouns: es
-is -um
-i -ibus
-em -es
-e -ibus

4. Third Declension Neuter Nouns
Neuter Law:
The nominative and accusative cases are always identical, and in the plural the nominative and accusative cases always end in –a.
Let’s apply this rule to our 3rd declension chart and see what happens…

5. Third Declension Neuter Nouns
Masculine/Feminine es
-is -um
-i -ibus
-em -es
-e -ibus
Neuter a
-is -um
-i -ibus
-e -ibus

6. Third Declension Neuter Nouns
Let’s try corpus, corporis (n.)
Stem: drop the –is: CORPOR-
Singular Plural
corpus corpora
corporis corporum
corpori corporibus
corpore corporibus

7. Third Declension Neuter Nouns
Your turn! Try caput, capitis (n.)
Stem: drop the –is:
CAPIT-
Singular Plural
caput capita
capitis capitum
capiti capitibus
capite capitibus

8. Third Declension I-Stem Nouns
A group of third declension nouns called i-stems have –ium instead of –um in the genitive plural.
The neuter i-stems also have –i instead of –e in the ablative singular, and –ia instead of –a in their nominative/accusative plurals.
Let’s take a look….

9. Third Declension I-Stems
Masculine/Feminine regular 3rd declension es
-is -um
-i -ibus
-em -es
-e -ibus
Masculine/Feminine i-stem 3rd declension es
-is -ium
-i -ibus
-em -es
-e -ibus

10. Third Declension I-stems
Neuter 3rd Declension Nouns (regular) a
-is -um
-i -ibus
-e -ibus
Neuter i-stem 3rd declension nouns ia
-is -ium
-i -ibus

11. Third Declension I-Stems
Masculine/Feminine i-stem 3rd declension es
-is -ium
-i -ibus
-em -es
-e -ibus
civis, civis, civium (m./f.) civis cives civis civium civi civibus civem cives cive civibus

12. Third Declension I-Stems
Masculine/Feminine i-stem 3rd declension es
-is -ium
-i -ibus
-em -es
-e -ibus
civis, civis, civium (m./f.) civis cives civis civium civi civibus civem cives cive civibus

13. Third Declension Neuter I-Stem Nouns
Neuter i-stem 3rd declension nouns ia
-is -ium
-i -ibus
mare, maris, marium (n.) mare maria maris marium mari maribus mare maria mari maribus

14. How to identify an i-stem noun
There is a long list of rules that will teach you how to i.d. which 3rd declension nouns are i-stems.
If you’d like to read it, see p. 321…otherwise, just look for the nouns marked with an asterisk (*) in your book’s vocabulary lists! 
* Nouns are i-stems. Thank you, book!!!
Also, the parts are listed nom. sg., gen. sg., gen. pl., like hostis, hostis, hostium (f.)
N.B. (nota bene): I-stems are not marked in your glossary with an *, but are listed like “hostis” above.

15. M/F regular 3rd dec. --- -es
-is -um
-i -ibus
-em -es
-e -ibus
M/F i-stem 3rd decl es
-is -ium
-i -ibus
-em -es
-e -ibus
Neuter regular 3rd decl. a
-is -um
-i -ibus
-e -ibus
Neuter i-stem 3rd decl. ia
-is --ium
-i -ibus

16. Your Turn! 3rd Declension Review
mater, matris (f.) mother---regular 3rd decl.
pax, pacis (f.) peace---regular 3rd decl.
nomen, nominis (n.) name---neuter 3rd decl.
iter, itineris (n.) journey---neuter 3rd decl.
nox, noctis (f.) night---3rd decl. i-stem
urbs, urbis (f.) city---3rd decl. i-stem
animal, animalis (n.) neuter 3rd. decl. i-stem