1. Agenda diēs Martis, a.d. iii Kal. Nov. A.D. MMXVIII
HW Check: wksht. 24 / Do Now: review wksht. in groups
Review 3rd Declension Consonant Stems (Wksht. 24)
3rd Declension I-Stem Nouns
Practice with 3rd Declension I-Stem Nouns (Wksht. 25)
Pensum:
Finish Worksheet 25
Keep studying vocab. list 7
Term Exam & Binder Check next Tues. 11/6
Latin MS8
Mr. Finnigan
Boston Latin School

2. 3rd Declension i-Stem Nouns

3. 3rd Declension i-Stem Nouns
3rd decl. i-stem nouns only differ from consonant stem 3rd declension nouns in a few forms
M/F: gen. pl. = -ium
N: abl. sg. = -ī; nom. & acc. pl. = -ia; gen. pl = -ium
all other forms are the same!

4. 3rd Decl. M/F i-Stem EndingsSG PL
Nom.
Gen.
Dat.
Acc.
Abl.

5. 3rd Decl. M/F i-Stem EndingsSG PL
Nom.
––––
Gen.
Dat.
Acc.
Abl.

6. 3rd Decl. M/F i-Stem EndingsSG PL
Nom.
––––
Gen. is
Dat.
Acc.
Abl.

7. 3rd Decl. M/F i-Stem EndingsSG PL
Nom.
––––
Gen. is
Dat. ī
Acc.
Abl.

8. 3rd Decl. M/F i-Stem EndingsSG PL
Nom.
––––
Gen. is
Dat. ī
Acc. em
Abl.

9. 3rd Decl. M/F i-Stem EndingsSG PL
Nom.
––––
Gen. is
Dat. ī
Acc. em
Abl. e

10. 3rd Decl. M/F i-Stem EndingsSG PL
Nom.
–––– ēs
Gen. is
Dat. ī
Acc. em
Abl. e

11. 3rd Decl. M/F i-Stem EndingsSG PL
Nom.
–––– ēs
Gen. is
ium
Dat. ī
Acc. em
Abl. e

12. 3rd Decl. M/F i-Stem EndingsSG PL
Nom.
–––– ēs
Gen. is
ium
Dat. ī
ibus
Acc. em
Abl. e

13. 3rd Decl. M/F i-Stem EndingsSG PL
Nom.
–––– ēs
Gen. is
ium
Dat. ī
ibus
Acc. em
Abl. e

14. 3rd Decl. M/F i-Stem EndingsSG PL
Nom.
–––– ēs
Gen. is
ium
Dat. ī
ibus
Acc. em
Abl. e

15. 3rd Decl. Neut. i-Stem EndingsSG PL
Nom.
Gen.
Dat.
Acc.
Abl.

16. 3rd Decl. Neut. i-Stem EndingsSG PL
Nom.
––––
Gen.
Dat.
Acc.
Abl.

17. 3rd Decl. Neut. i-Stem EndingsSG PL
Nom.
––––
Gen. is
Dat.
Acc.
Abl.

18. 3rd Decl. Neut. i-Stem EndingsSG PL
Nom.
––––
Gen. is
Dat. ī
Acc.
Abl.

19. 3rd Decl. Neut. i-Stem EndingsSG PL
Nom.
––––
Gen. is
Dat. ī
Acc.
Abl.

20. 3rd Decl. Neut. i-Stem EndingsSG PL
Nom.
––––
Gen. is
Dat. ī
Acc.
Abl.

21. 3rd Decl. Neut. i-Stem EndingsSG PL
Nom.
–––– ia
Gen. is
Dat. ī
Acc.
Abl.

22. 3rd Decl. Neut. i-Stem EndingsSG PL
Nom.
–––– ia
Gen. is
ium
Dat. ī
Acc.
Abl.

23. 3rd Decl. Neut. i-Stem EndingsSG PL
Nom.
–––– ia
Gen. is
ium
Dat. ī
ibus
Acc.
Abl.

24. 3rd Decl. Neut. i-Stem EndingsSG PL
Nom.
–––– ia
Gen. is
ium
Dat. ī
ibus
Acc.
Abl.

25. 3rd Decl. Neut. i-Stem EndingsSG PL
Nom.
–––– ia
Gen. is
ium
Dat. ī
ibus
Acc.
Abl.

26. Distinguishing between 3rd & 3rd i
There are characteristics/rules to help you determine whether a noun is an i-stem, and you must memorize them
ends in –is or –ēs in the nom. sg. & has the same number of syllables in the gen. sg. OR
the nom. sg. and gen. sg. are the same
E.G. nāvis, nāvis, f.: ship / caedēs, caedis, f.: murder
EXCEPTION! canis, canis, m.: dog is NOT an i-stem

27. Distinguishing between 3rd & 3rd i
There are characteristics/rules to help you determine whether a noun is an i-stem, and you must memorize them
2. ends in –ns or –rs in the nom. sg.
E.G. mors, mortis, f.: death / mōns, montis,m.: hill

28. Distinguishing between 3rd & 3rd i
There are characteristics/rules to help you determine whether a noun is an i-stem, and you must memorize them
3. monosyllabic (1 syllable) in the nom. sg. with stem ending in 2 consonants
E.G. urbs, urbis, f.: city / mōns, montis,m.: hill

29. Distinguishing between 3rd & 3rd i
There are characteristics/rules to help you determine whether a noun is an i-stem, and you must memorize them
4. neuter noun ending in –al or –e in the nom. sg.
E.G. animal, animalis, n.: animal / mare, maris, n.: sea

30. If none of these apply, the noun is NOT an i-stem
3rd vs. 3rd i Rules Recap
ends in –is or –ēs in the nom. sg. & has the same number of syllables in the gen. sg. OR the nom. sg. and gen. sg. are the same
ends in –ns or –rs in the nom. sg.
monosyllabic (1 syllable) in the nom. sg. with stem ending in 2 consonants
neuter noun ending in –al or –e in the nom. sg.
If none of these apply, the noun is NOT an i-stem

31. If none of these apply, the noun is NOT an i-stem
3rd vs. 3rd i Rules Recap
ends in –is or –ēs in the nom. sg. & has the same number of syllables in the gen. sg. OR the nom. sg. and gen. sg. are the same
ends in –ns or –rs in the nom. sg.
monosyllabic (1 syllable) in the nom. sg. with stem ending in 2 consonants
neuter noun ending in –al or –e in the nom. sg.
If none of these apply, the noun is NOT an i-stem

32. Exerceāmus! Decline ONLY the i-stems in the following list:
corpus, corporis, n.
hostis, hostis, m.
mare, maris, n.
dux, ducis, m.
soror, sororis, f.