Conjugated form of성실하다

성실했다

VerbPastFormal

seongsilhaetda

to be sincere, diligent

être sincère ; être diligent

Conjugation

Casual반말 — between close friends

Polite해요체 — standard politeness

Formal합쇼체 — very formal

	Casual	Polite	Formal
Present	성실해요 seongsilhaeyo is sincere	—	성실합니다 seongsilhamnida is sincere
Past	성실했어요 seongsilhaesseoyo was sincere	—	성실했다 seongsilhaetda was sincere
Future	성실할 거예요 seongsilhal geoyeyo will be sincere	—	성실할 것이다 seongsilhal geosida will be sincere

Casual

Polite

Formal

Present

seongsilhaeyo

is sincere

—

seongsilhamnida

is sincere

Past