이 되겠지

will probably be; must be

→ 이

phrase Rare #26,299

will probably be; must be Expresses a casual expectation or prediction that something will be a certain thing. It follows a noun ending in a vowel; after a noun ending in a consonant, use 이 되겠지 as well, with the noun and particle forming the expression.

KO: 그게 당신 경력의 마지막이 되겠지.

EN: That’ll probably be the end of your career.

그럼, 큰 도움이 되겠지

Then it would be a big help.

— 똑바로 살아라 (1989)

그게 당신 경력 의 마지막이 되겠지

That’ll be the end of your career.

— 타인의 삶 (2006)