조동사 + not + have been + 상태 — you couldn't have been serious.

Sentence

you couldn't have been serious.

Pattern structure

I couldn't/shouldn't + have been + 형용사/동작ing

Context

😱 친구가 상사에게 대들었다고 합니다. 진심이었을 리가 없어요!

AI feedback

학습자님은 'couldn't have been' 패턴을 정확하게 사용했습니다. 조동사 'couldn't'와 경험강조(have), 상태(been)를 잘 연결하여 과거의 상태에 대한 부정적인 가능성을 표현했습니다.

Encouragement

아주 잘하셨습니다! 주어진 상황과 지시에 맞춰 패턴을 완벽하게 활용하여 문장을 만들었습니다. 훌륭합니다!

Corrections

Learn this pattern

조동사 + not + have been + 상태

More sentences with this pattern

• i shouldn't have been playing a game.
• i shouldn't have been making a mistake.
• he shouldn't have been a teacher.
• I shouldn't have been playing game.
• I shouldn't have been unprepared.
• You couldn't have been serious.