선생님 should have pp의 과거에 대한 후회 용법 말고도 또 다른 용법으로 아래와 같은 용법을 문법서를 통해 접하게 됬습니다.

이 should have pp를 한국말로 어떻게 알아 놓는게 가장 적합한지 답변을 주시면 굉장히 감사하겠습니다.

다른 강사분들  설명은 믿음이 안가서 할 수 없이 타미쌤을 귀찮게 할 수 밖에 없는 점 용서해 주시길 바랍니다ㅠㅠㅠㅠㅠㅠ

We can also use should have + past participle to talk about something that, if everything is normal and okay, we think has already happened. But we're not certain that everything is fine, so we use 'should have' and not the present perfect or past simple. It's often used with 'by now'.

•His plane should have arrived by now (= if everything is fine, the plane has arrived).

•John should have finished work by now (= if everything is normal, John has finished work).