Verbseoul.
descriptive
낮다natda-3to be low (in height, in value)

To say to be low (in height, in value) politely in the present tense, use 낮아요 (nah-chah-yoh). Below is the full conjugation of 낮다 across the three tenses and three everyday speech levels.

Conjugation table

TenseCasual (반말)Polite (요)Formal (합니다)
Present
낮아
nah-chah
낮아요
nah-chah-yoh
낮습니다
naht-seum-nee-dah
Past
낮았어
nah-chah-ssuh
낮았어요
nah-chah-ssuh-yoh
낮았습니다
nah-chah-sseum-nee-dah
Future
낮을 거야
nah-cheul- -guh-yah
낮을 거예요
nah-cheul- -guh-yae-yoh
낮을 겁니다
nah-cheul- -guhm-nee-dah

Other useful forms

Command Polite (세요)
낮으세요
nah-cheu-sae-yoh
Suggestion / Let's Polite (요)
낮아요
nah-chah-yoh
Question Polite (요)
낮아요?
nah-chah-yoh-?
Connective “and” — (고)
낮고
naht-goh
Conditional “if” — (면)
낮으면
nah-cheu-myuhn
Noun form — (기)
낮음
nah-cheum