Verbseoul.
ㄹ stem
늘다neuldato increase

To say to increase politely in the present tense, use 늘어요 (neu-ruh-yoh). Below is the full conjugation of 늘다 across the three tenses and three everyday speech levels.

Conjugation table

TenseCasual (반말)Polite (요)Formal (합니다)
Present
늘어
neu-ruh
늘어요
neu-ruh-yoh
늡니다
neum-nee-dah
Past
늘었어
neu-ruh-ssuh
늘었어요
neu-ruh-ssuh-yoh
늘었습니다
neu-ruh-sseum-nee-dah
Future
늘 거야
neul- -guh-yah
늘 거예요
neul- -guh-yae-yoh
늘 겁니다
neul- -guhm-nee-dah

Other useful forms

Command Polite (세요)
느세요
neu-sae-yoh
Suggestion / Let's Polite (요)
늘어요
neu-ruh-yoh
Question Polite (요)
늘어요?
neu-ruh-yoh-?
Connective “and” — (고)
늘고
neul-goh
Conditional “if” — (면)
늘면
neul-myuhn
Noun form — (기)
neum