Question

식사 전에 손을 깨끗이 씻어라 전 is a noun meaning 'before'. The combination of 전 and the -에 location particle, 전에 follows nouns in time expressions describing something that happened 'before' the time denoted by the noun.The 전에 structure can also follow nominalized -기 forms ('before ...ing'). Other commonly used patterns include -기 전의 ('of before') and the combination with the -이다 copula -기 전이- ('it was before ...').

Accepted Answer

Wash your hands clean before each meal

Front	식사 전에 손을 깨끗이 씻어라
Back	Wash your hands clean before each meal
Notes	전 is a noun meaning 'before'. The combination of 전 and the -에 location particle, 전에 follows nouns in time expressions describing something that happened 'before' the time denoted by the noun. The 전에 structure can also follow nominalized -기 forms ('before ...ing'). Other commonly used patterns include -기 전의 ('of before') and the combination with the -이다 copula -기 전이- ('it was before ...').

전에 기 전 Combination Time 식사 손을 깨끗이