This is the 9316th most frequent Korean word.
것인지를
"Whether it is" or "if it is."
In this sentence, '것인지를' is used to express a question concerning the possibility or capability of resolving an issue.
그가 이 문제를 해결할 수 있을 것인지를 알아봐야 합니다.
We need to find out whether he can solve this problem.
Here, '것인지를' represents the uncertainty or speculation about achieving success.
과거에 성공할 수 있을 것인지를 고민했었습니다.
I was worried in the past about whether I could succeed.
In this context, '것인지를' denotes the evaluation or consideration of the rationality of a plan.