Korean phrase
~ 언제 해야 하나요? ~ eon je hae ya ha na yo
Meaning
When should ___ be done?
When to use it
This asks when an action should be done. It is a polite, gentle way to ask about timing, including when speaking to a teacher or other senior person.
Example dialogue
선생님, 숙제는 언제 해야 하나요? seon saeng nim suk jje neun eon je hae ya ha na yo
Teacher, when should I do the homework?
다음 주 금요일까지 내면 돼요. ta eum chu keu myo il kka ji nae myeon twae yo
You just need to turn it in by next Friday.