두렵다 conjugation

to be afraid · ㅂ irregular · TOPIK II · Adjective

Common mistakes

Final ㅂ becomes 우 before a vowel: 춥다 → 추워요. 돕다 and 곱다 take 오: 도와요.

~~두렵어요~~ → 두려워요 Polite present
~~두렵었어요~~ → 두려웠어요 Polite past
~~두렵었습니다~~ → 두려웠습니다 Formal past
~~두렵어~~ → 두려워 Casual

Core forms

Polite present-아/어요	두려워요not: ~~두렵어요~~
Polite past-았/었어요	두려웠어요not: ~~두렵었어요~~
Polite negative-지 않아요	두렵지 않아요
Formal present-(스)ㅂ니다	두렵습니다
Formal past-았/었습니다	두려웠습니다not: ~~두렵었습니다~~
Casual-아/어	두려워not: ~~두렵어~~
Plain, written-ㄴ/는다	두렵다
And, linking-고	두렵고

Advanced forms

If-(으)면	두려우면not: ~~두렵으면~~
Future, intention-(으)ㄹ 거예요	두려울 거예요not: ~~두렵을 거예요~~
Because-아/어서	두려워서not: ~~두렵어서~~
Modifier-는 / -(으)ㄴ	두려운not: ~~두렵은~~

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