Verbseoul.
descriptive
아슴턚다aseumtyaenda(to be) thankful

To say (to be) thankful politely in the present tense, use 아슴턚어요 (ah-seum-tyaen-uh-yoh). Below is the full conjugation of 아슴턚다 across the three tenses and three everyday speech levels.

Conjugation table

TenseCasual (반말)Polite (요)Formal (합니다)
Present
아슴턚어
ah-seum-tyaen-uh
아슴턚어요
ah-seum-tyaen-uh-yoh
아슴턚습니다
ah-seum-tyaen-seum-nee-dah
Past
아슴턚었어
ah-seum-tyaen-uh-ssuh
아슴턚었어요
ah-seum-tyaen-uh-ssuh-yoh
아슴턚었습니다
ah-seum-tyaen-uh-sseum-nee-dah
Future
아슴턚을 거야
ah-seum-tyaen-eul- -guh-yah
아슴턚을 거예요
ah-seum-tyaen-eul- -guh-yae-yoh
아슴턚을 겁니다
ah-seum-tyaen-eul- -guhm-nee-dah

Other useful forms

Command Polite (세요)
아슴턚으세요
ah-seum-tyaen-eu-sae-yoh
Suggestion / Let's Polite (요)
아슴턚어요
ah-seum-tyaen-uh-yoh
Question Polite (요)
아슴턚어요?
ah-seum-tyaen-uh-yoh-?
Connective “and” — (고)
아슴턚고
ah-seum-tyaen-goh
Conditional “if” — (면)
아슴턚으면
ah-seum-tyaen-eu-myuhn
Noun form — (기)
아슴턚음
ah-seum-tyaen-eum