Verbseoul.
regular

더듬다 conjugation (deodeumda, to feel for)

To say to feel for politely in the present tense, use 더듬어요 (duh-deu-muh-yoh) · deodeumeoyo. Below is the full conjugation of 더듬다 across the three tenses and three everyday speech levels.

Grammar note (regular): Regular verbs and adjectives conjugate predictably. Before 어-series suffixes, vowels may contract (가 + 아 → 가, 보 + 아 → 봐), but no consonant in the stem changes. If the final vowel of the stem is ㅏ or ㅗ, use 아; otherwise use 어. Consonant-final stems: 먹 + 어 → 먹어; vowel-final: 가 + 아 → 가.

Conjugation table

pron. = pronunciation guide  · RR = Revised Romanization

TenseCasual (반말)Polite (요)Formal (합니다)
Present
더듬어
duh-deu-muh
deodeumeo
더듬어요
duh-deu-muh-yoh
deodeumeoyo
더듬습니다
duh-deum-seum-nee-dah
deodeumseumnida
Past
더듬었어
duh-deu-muh-ssuh
deodeumeosseo
더듬었어요
duh-deu-muh-ssuh-yoh
deodeumeosseoyo
더듬었습니다
duh-deu-muh-sseum-nee-dah
deodeumeosseumnida
Future
더듬을 거야
duh-deu-meul guh-yah
deodeumeul geoya
더듬을 거예요
duh-deu-meul guh-yae-yoh
deodeumeul geoyeyo
더듬을 겁니다
duh-deu-meul guhm-nee-dah
deodeumeul geomnida

Other useful forms

Honorific / Command Polite (-(으)세요)
더듬으세요
duh-deu-meu-sae-yoh
deodeumeuseyo
Suggestion / Let's Polite (요)
더듬어요
duh-deu-muh-yoh
deodeumeoyo
Question Polite (요)
더듬어요?
duh-deu-muh-yoh-?
deodeumeoyo?
Connective "and" — (고)
더듬고
duh-deum-goh
deodeumgo
Conditional "if" — (면)
더듬으면
duh-deu-meu-myuhn
deodeumeumyeon
Progressive (고 있어요)
더듬고 있어요
duh-deum-goh ee-ssuh-yoh
deodeumgo isseoyo
Want to (고 싶어요)
더듬고 싶어요
duh-deum-goh shee-puh-yoh
deodeumgo sipeoyo
Can / Able to ((으)ㄹ 수 있어요)
더듬을 수 있어요
duh-deu-meul soo ee-ssuh-yoh
deodeumeul su isseoyo
Because / So (아/어서)
더듬어서
duh-deu-muh-suh
deodeumeoseo
Noun form — (기)
더듬기
duh-deum-gee
deodeumgi
Noun form — (음)
더듬음
duh-deu-meum
deodeumeum