어렵다 conjugation

to be difficult · ㅂ irregular · TOPIK I · Adjective

Common mistakes

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

~~어렵어요~~ → 어려워요 Polite present
~~어렵었어요~~ → 어려웠어요 Polite past
~~어렵었습니다~~ → 어려웠습니다 Formal past
~~어렵어~~ → 어려워 Casual

Core forms

Polite present-아/어요	어려워요not: ~~어렵어요~~
Polite past-았/었어요	어려웠어요not: ~~어렵었어요~~
Polite negative-지 않아요	어렵지 않아요
Formal present-(스)ㅂ니다	어렵습니다
Formal past-았/었습니다	어려웠습니다not: ~~어렵었습니다~~
Casual-아/어	어려워not: ~~어렵어~~
Plain, written-ㄴ/는다	어렵다
And, linking-고	어렵고

Advanced forms

If-(으)면	어려우면not: ~~어렵으면~~
Future, intention-(으)ㄹ 거예요	어려울 거예요not: ~~어렵을 거예요~~
Because-아/어서	어려워서not: ~~어렵어서~~
Modifier-는 / -(으)ㄴ	어려운not: ~~어렵은~~

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