Verbseoul.Korean verb conjugator
ㄹ stem
알다aldato know

To say to know politely in the present tense, use 알아요 (ah-rah-yoh). Below is the full conjugation of 알다 across the three tenses and three everyday speech levels.

Conjugation table

TenseCasual (반말)Polite (요)Formal (합니다)
Present
알아
ah-rah
알아요
ah-rah-yoh
압니다
ahm-nee-dah
Past
알았어
ah-rah-ssuh
알았어요
ah-rah-ssuh-yoh
알았습니다
ah-rah-sseum-nee-dah
Future
알 거야
ahl- -guh-yah
알 거예요
ahl- -guh-yae-yoh
알 겁니다
ahl- -guhm-nee-dah

Other useful forms

Command Polite (세요)
아세요
ah-sae-yoh
Suggestion / Let's Polite (요)
알아요
ah-rah-yoh
Question Polite (요)
알아요?
ah-rah-yoh-?
Connective “and” — (고)
알고
ahl-goh
Conditional “if” — (면)
알면
ahl-myuhn
Noun form — (기)
ahm