Verbseoul.
regular

의심쩍다 conjugation (uisimjjeokda, to doubt, to question)

To say to doubt, to question politely in the present tense, use 의심쩍어요 (ui-sheem-jjuh-guh-yoh) · uisimjjeogeoyo. Below is the full conjugation of 의심쩍다 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
의심쩍어
ui-sheem-jjuh-guh
uisimjjeogeo
의심쩍어요
ui-sheem-jjuh-guh-yoh
uisimjjeogeoyo
의심쩍습니다
ui-sheem-jjuhg-sseum-nee-dah
uisimjjeoksseumnida
Past
의심쩍었어
ui-sheem-jjuh-guh-ssuh
uisimjjeogeosseo
의심쩍었어요
ui-sheem-jjuh-guh-ssuh-yoh
uisimjjeogeosseoyo
의심쩍었습니다
ui-sheem-jjuh-guh-sseum-nee-dah
uisimjjeogeosseumnida
Future
의심쩍을 거야
ui-sheem-jjuh-geul guh-yah
uisimjjeogeul geoya
의심쩍을 거예요
ui-sheem-jjuh-geul guh-yae-yoh
uisimjjeogeul geoyeyo
의심쩍을 겁니다
ui-sheem-jjuh-geul guhm-nee-dah
uisimjjeogeul geomnida

Other useful forms

Honorific / Command Polite (-(으)세요)
의심쩍으세요
ui-sheem-jjuh-geu-sae-yoh
uisimjjeogeuseyo
Suggestion / Let's Polite (요)
의심쩍어요
ui-sheem-jjuh-guh-yoh
uisimjjeogeoyo
Question Polite (요)
의심쩍어요?
ui-sheem-jjuh-guh-yoh-?
uisimjjeogeoyo?
Connective "and" — (고)
의심쩍고
ui-sheem-jjuhg-ggoh
uisimjjeokkko
Conditional "if" — (면)
의심쩍으면
ui-sheem-jjuh-geu-myuhn
uisimjjeogeumyeon
Progressive (고 있어요)
의심쩍고 있어요
ui-sheem-jjuhg-ggoh ee-ssuh-yoh
uisimjjeokkko isseoyo
Want to (고 싶어요)
의심쩍고 싶어요
ui-sheem-jjuhg-ggoh shee-puh-yoh
uisimjjeokkko sipeoyo
Can / Able to ((으)ㄹ 수 있어요)
의심쩍을 수 있어요
ui-sheem-jjuh-geul soo ee-ssuh-yoh
uisimjjeogeul su isseoyo
Because / So (아/어서)
의심쩍어서
ui-sheem-jjuh-guh-suh
uisimjjeogeoseo
Noun form — (기)
의심쩍기
ui-sheem-jjuhg-ggee
uisimjjeokkki
Noun form — (음)
의심쩍음
ui-sheem-jjuh-geum
uisimjjeogeum