바꿔야

바꿔야

"바꿔야" means "must change" or "need to change."

The word '바꿔야' is used here to indicate a necessity to change or modify the textbooks used in school.

학교에서 사용하는 교과서를 바꿔야 할 때가 온 것 같아요.

It seems like the time has come to change the textbooks used in school.

Here '바꿔야' expresses the need or plan to replace an old item, in this case, a window.

창문이 너무 오래돼서 이번 기회에 바꿔야겠어요.

The window is too old, so I think I should replace it this time.

In this sentence, '바꿔야' conveys the necessity of changing or altering one's way of thinking.

이제는 사고방식을 다르게 바꿔야 할 시점이에요.

Now is the time to change the way of thinking differently.