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/동사ing

Context

😱 친구가 상사에게 대들었다고 합니다. 진심이었을 리가 없어요!

AI feedback

학습자님은 '조동사 + not + have been + 상태' 패턴을 정확하게 사용했습니다. 'couldn't have been'을 활용하여 과거 상태에 대한 부정적인 가능성을 잘 표현했습니다.

Encouragement

아주 훌륭합니다! 주어진 상황과 지시에 맞춰 패턴을 완벽하게 활용했습니다. 꾸준히 연습하면 더욱 능숙해질 거예요!

Learn this pattern

조동사 + not + have been + 상태

More sentences with this pattern

• I shouldn't have been playing the game
• I shouldn't have been nervous
• You couldn't have been serious
• I should't have been palying game.
• I should't have been careless and nervous.
• It would't have been good. I have spoiled the presentation.