보게 될

will come to see, will see

→ 보다
phrase Uncommon #5,881
will come to see From 보다 (to see) plus -게 되다, meaning to come to or end up doing something. 보게 될 is commonly followed by 거야 or 겁니다 to express that someone will see something or come to see it.
KO: 언젠가 다시 보게 될 거야.
EN: We'll see each other again someday.

엄청난 피를 보게 될 겁니다

You’re going to see a tremendous amount of blood.

— 패딩턴 2 (2017)

phrase Rare #23,087
will see A future form of 보게 되다, meaning “will come to see” or “will end up seeing.” It can imply that seeing something will happen as a result of circumstances, rather than simply being a plan.
KO: 언젠가 다시 보게 될 거야.
EN: You’ll see it again someday.

애들은 나중에 보게 될 겁니다

The kids will see it later.

— 달콤한 인생 (1960)