Verbseoul.
regular
낮아지다natajidato decrease

To say to decrease politely in the present tense, use 낮아져요 (nah-chah-chyuh-yoh). Below is the full conjugation of 낮아지다 across the three tenses and three everyday speech levels.

Conjugation table

TenseCasual (반말)Polite (요)Formal (합니다)
Present
낮아져
nah-chah-chyuh
낮아져요
nah-chah-chyuh-yoh
낮아집니다
nah-chah-cheem-nee-dah
Past
낮아졌어
nah-chah-chyuh-ssuh
낮아졌어요
nah-chah-chyuh-ssuh-yoh
낮아졌습니다
nah-chah-chyuh-sseum-nee-dah
Future
낮아질 거야
nah-chah-cheel- -guh-yah
낮아질 거예요
nah-chah-cheel- -guh-yae-yoh
낮아질 겁니다
nah-chah-cheel- -guhm-nee-dah

Other useful forms

Command Polite (세요)
낮아지세요
nah-chah-chee-sae-yoh
Suggestion / Let's Polite (요)
낮아져요
nah-chah-chyuh-yoh
Question Polite (요)
낮아져요?
nah-chah-chyuh-yoh-?
Connective “and” — (고)
낮아지고
nah-chah-chee-goh
Conditional “if” — (면)
낮아지면
nah-chah-chee-myuhn
Noun form — (기)
낮아짐
nah-chah-cheem