Verbseoul.
descriptive
틀림없다teulrimeopdato be precisely correct

To say to be precisely correct politely in the present tense, use 틀림없어요 (teul-ree-muhp-ssuh-yoh). Below is the full conjugation of 틀림없다 across the three tenses and three everyday speech levels.

Conjugation table

TenseCasual (반말)Polite (요)Formal (합니다)
Present
틀림없어
teul-ree-muhp-ssuh
틀림없어요
teul-ree-muhp-ssuh-yoh
틀림없습니다
teul-ree-muhp-seum-nee-dah
Past
틀림없었어
teul-ree-muhp-ssuh-ssuh
틀림없었어요
teul-ree-muhp-ssuh-ssuh-yoh
틀림없었습니다
teul-ree-muhp-ssuh-sseum-nee-dah
Future
틀림없을 거야
teul-ree-muhp-sseul- -guh-yah
틀림없을 거예요
teul-ree-muhp-sseul- -guh-yae-yoh
틀림없을 겁니다
teul-ree-muhp-sseul- -guhm-nee-dah

Other useful forms

Command Polite (세요)
틀림없으세요
teul-ree-muhp-sseu-sae-yoh
Suggestion / Let's Polite (요)
틀림없어요
teul-ree-muhp-ssuh-yoh
Question Polite (요)
틀림없어요?
teul-ree-muhp-ssuh-yoh-?
Connective “and” — (고)
틀림없고
teul-ree-muhp-goh
Conditional “if” — (면)
틀림없으면
teul-ree-muhp-sseu-myuhn
Noun form — (기)
틀림없음
teul-ree-muhp-sseum