Stol je opet prljav.

to be

Breakdown of Stol je opet prljav.

• stol: table
• opet: again
• prljav: dirty

Questions & Answers about Stol je opet prljav.

What are the parts of speech in the sentence?

• Stol: noun, masculine singular (subject)
• je: 3rd person singular present of biti (to be); a clitic (weak) verb
• opet: adverb (again)
• prljav: adjective, masculine singular nominative (predicate adjective)

Why is it prljav and not prljavo or prljava?

The adjective agrees with the subject in gender and number. Stol is masculine singular, so the predicate adjective must be masculine singular nominative: prljav.

• Masculine: prljav — Stol je prljav.
• Feminine: prljava — Stolica je prljava.
• Neuter: prljavo — More je prljavo.

Can I move opet to other positions?

Yes, with slight changes in emphasis:

• Neutral: Stol je opet prljav.
• Emphasizing “again”: Opet je stol prljav.
• End-focus (more colloquial/surprised): Stol je prljav opet. Do not say: ✗ Stol opet je prljav (the clitic je must be in second position; see next answer).

Why is je in the second position?

is a clitic, and Croatian clitics generally occupy the “second position” in the clause (after the first syntactic unit).