e. Final -i and -o are always long; final -a is short, except in the ablative singular of the first declension.
[75.] Observe the sentences
| Lesbia est bona, Lesbia is good Lesbia est ancilla, Lesbia is a maidservant |
We have learned ([§ 55]) that bona, when used, as here, in the predicate to describe the subject, is called a predicate adjective. Similarly a noun, as ancilla, used in the predicate to define the subject is called a predicate noun.
[76.] Rule. Predicate Noun. A predicate noun agrees in case with the subject of the verb.
PILA
[77.] DIALOGUE
