Nouns
Comp. Adjectives
Superl. Adjectives
Adverbs
i-stem
100

Ablative Singular of Cera

Cerā

100

gen. neut. sing. comparative of facilis

facilioris

100

nom. fem. s. superlative of gravis

gravissima

100

positive adverb of certus

certe

100

ablative singular and genitive plural of mare 

mari and marium

200

gender of arma

neuter

200

nom. f. sing. comparative of certus

certior

200

dat. neut. pl. superlative of ingens

ingentissimis

200

positive adverb of celer

celeriter

200

a neuter noun is i stem if the nominative end in: 

al, ar, e

300

dative plural of res

rebus

300

neut. acc. pl. comparative of ingens

ingentiora

300

nom. m. plur. comparative of celer

celerrimi

300

comparative adverb of ingens

ingentius

300

Are positive 3rd declension adjectives i stem?

yes!

400

genitive plural of manus

manuum

400

Which form of the comparative adjective is also the comparative adverb?

neuter singular nominative/accusative

400

gen. f. plur. superlative of nobilis

nobilissimarum

400

superlative adverb of certus

certissime

400

Are comparative adjectives i stem?

No!

500

ablative singular of navis

navi

500

Give the nominative sing. and genitive sing. of every gender for the comparative of celer

celerior, celerior, celerius

celerioris, celerioris, celerioris

500

acc. neut. sing superlative of gracilis

gracillimum

500

superlative adverb of celer

celerrime

500

What are all the rules for determining if a masculine/feminine noun is i stem? (hint: there are 3)

1. parasyllabic (navis, navis)

2. nominative is one syllable and stem ends in two consonants (urbs, urbis)

3. nominative ends in ns or rs and stem ends in two consonants (amans, amantis)