Octavus liber parvus est.

to be

Breakdown of Octavus liber parvus est.

• parvus: small
• liber: the book
• octavus: eighth

Questions & Answers about Octavus liber parvus est.

What does each word do in the sentence grammatically?

• Octavus = an adjective, modifying liber
• liber = the noun, the subject of the sentence
• parvus = another adjective, also modifying liber
• est = the verb, meaning is

So the structure is basically:

[adjective] + [noun] + [adjective] + [verb]

Both adjectives describe liber.

Why do octavus and parvus both end in -us?

Because they agree with liber.

In Latin, adjectives usually match the noun they describe in:

• gender
• number
• case

Here, liber is:

• masculine
• singular
• nominative

So the adjectives must also be masculine singular nominative:

• octavus
• parvus

That matching is called agreement.

What case is liber, and how can I tell?

Liber is in the nominative singular, because it is the subject of .