Verbseoul.
regular
가라앉다garaandato sink, to go down

To say to sink, to go down politely in the present tense, use 가라앉아요 (gah-rah-ahn-chah-yoh). Below is the full conjugation of 가라앉다 across the three tenses and three everyday speech levels.

Conjugation table

TenseCasual (반말)Polite (요)Formal (합니다)
Present
가라앉아
gah-rah-ahn-chah
가라앉아요
gah-rah-ahn-chah-yoh
가라앉습니다
gah-rah-ahn-seum-nee-dah
Past
가라앉았어
gah-rah-ahn-chah-ssuh
가라앉았어요
gah-rah-ahn-chah-ssuh-yoh
가라앉았습니다
gah-rah-ahn-chah-sseum-nee-dah
Future
가라앉을 거야
gah-rah-ahn-cheul- -guh-yah
가라앉을 거예요
gah-rah-ahn-cheul- -guh-yae-yoh
가라앉을 겁니다
gah-rah-ahn-cheul- -guhm-nee-dah

Other useful forms

Command Polite (세요)
가라앉으세요
gah-rah-ahn-cheu-sae-yoh
Suggestion / Let's Polite (요)
가라앉아요
gah-rah-ahn-chah-yoh
Question Polite (요)
가라앉아요?
gah-rah-ahn-chah-yoh-?
Connective “and” — (고)
가라앉고
gah-rah-ahn-goh
Conditional “if” — (면)
가라앉으면
gah-rah-ahn-cheu-myuhn
Noun form — (기)
가라앉음
gah-rah-ahn-cheum