기 전에

This construction is equivalent to English's 'before doing (something)'. 기 is used as a nominaliser to change the verb form into a noun. This pattern is used with action verbs.

Conjugation Rule

verb stem of an action verb + 기 전에

Conjugation Examples

공부하다 (to study) --> 공부하기 전에 (Before studying..)
운동하다 (to exercise) --> 운동하기 전에 (Before exercising..)
먹다 (to eat) --> 먹기 전에 (Before eating..)

Sentence Examples

저녁을 먹기 전에 숙제를 하세요!
(Please do your homework before eating dinner!)