Nasa kwarto si Ana dahil maingay sa sala.

Ana is in the bedroom because it is noisy in the living room.

Breakdown of Nasa kwarto si Ana dahil maingay sa sala.

• ay: to be
• nasa: in
• sa: in
• dahil: because

Questions & Answers about Nasa kwarto si Ana dahil maingay sa sala.

Why is there no verb like “is” in the sentence?

Filipino doesn’t need a copula (a linking verb like “is”) for sentences with adjectival or locative predicates. The location phrase nasa kwarto functions as the predicate, and si Ana is the topic. Literally: “In the room is Ana,” which in English is “Ana is in the room.”

What does nasa mean, and how is it different from sa?

• sa marks locations, directions, and certain objects (“to/at/in”).
• nasa is a preposition that already includes sa, used to say “is at/in” a location (as a predicate).
  So you say nasa kwarto (“is in the room”), not “nasa sa kwarto.”

Is “nasa sa kwarto” ever correct?

No. nasa already contains sa, so doubling it is ungrammatical. Say nasa kwarto.

Why is there si before Ana?