Verbseoul.
하다 verb
소멸하다somyeolhadato vanish

To say to vanish politely in the present tense, use 소멸해요 (soh-myuhl-hae-yoh). Below is the full conjugation of 소멸하다 across the three tenses and three everyday speech levels.

Conjugation table

TenseCasual (반말)Polite (요)Formal (합니다)
Present
소멸해
soh-myuhl-hae
소멸해요
soh-myuhl-hae-yoh
소멸합니다
soh-myuhl-hahm-nee-dah
Past
소멸했어
soh-myuhl-hae-ssuh
소멸했어요
soh-myuhl-hae-ssuh-yoh
소멸했습니다
soh-myuhl-hae-sseum-nee-dah
Future
소멸할 거야
soh-myuhl-hahl- -guh-yah
소멸할 거예요
soh-myuhl-hahl- -guh-yae-yoh
소멸할 겁니다
soh-myuhl-hahl- -guhm-nee-dah

Other useful forms

Command Polite (세요)
소멸하세요
soh-myuhl-hah-sae-yoh
Suggestion / Let's Polite (요)
소멸해요
soh-myuhl-hae-yoh
Question Polite (요)
소멸해요?
soh-myuhl-hae-yoh-?
Connective “and” — (고)
소멸하고
soh-myuhl-hah-goh
Conditional “if” — (면)
소멸하면
soh-myuhl-hah-myuhn
Noun form — (기)
소멸함
soh-myuhl-hahm