헛수고를 하다

Expression

heotsugoreul hada

to waste one's efforts

faire des efforts en vain

Conjugation

Casual반말 — between close friends

Polite해요체 — standard politeness

Formal합쇼체 — very formal

	Casual	Polite	Formal
Present	헛수고를 해요 heotsugoreul haeyo I make an effort for nothing	—	헛수고를 합니다 heotsugoreul hamnida I make an effort for nothing
Past	헛수고를 했어요 heotsugoreul haesseoyo I made an effort for nothing	—	헛수고를 했다 heotsugoreul haetda I made an effort for nothing
Future	헛수고를 할 거예요 heotsugoreul hal geoyeyo I will make an effort for nothing	—	헛수고를 할 것이다 heotsugoreul hal geosida I will make an effort for nothing

Casual

Polite

Formal

Present

heotsugoreul haeyo

I make an effort for nothing

—

heotsugoreul hamnida

I make an effort for nothing

Past