개혁하다

Korean

Etymology

개혁(改革) (gaehyeok, “reform”) +‎ 하다 (-hada, “to do”, light verb deriving active verbs).

Pronunciation

• (SK Standard/Seoul) IPA^(key): [ˈkɛ(ː)ʝʌ̹kʰa̠da̠] ~ [ˈke̞(ː)ʝʌ̹kʰa̠da̠]
• Phonetic hangul: [개(ː)혀카다/게(ː)혀카다]
  • Though still prescribed in Standard Korean, most speakers in both Koreas no longer distinguish vowel length.

Romanizations
Revised Romanization?	gaehyeokhada
Revised Romanization (translit.)?	gaehyeoghada
McCune–Reischauer?	kaehyŏkhada
Yale Romanization?	kāyhyek.hata

Verb

개혁하다 • (gaehyeokhada) (infinitive 개혁해 or 개혁하여, sequential 개혁하니)

1. to reform

Conjugation

    Selected forms of the verb 개혁하다 (gaehyeokhada): vowel-stem, 하(ha)-irregular

Sentence-final forms
		Formal non-polite (해라체)	Informal non-polite (해체)	Informal polite (해요체)	Formal polite (하십시오체)
Indicative	Non-past	개혁한다 gaehyeokhanda	개혁해 gaehyeokhae	개혁해요 gaehyeokhaeyo	개혁합니다 gaehyeokhamnida
	Past	개혁했다 gaehyeokhaetda	개혁했어 gaehyeokhaesseo	개혁했어요 gaehyeokhaesseoyo	개혁했습니다 gaehyeokhaetseumnida
Interrogative	Non-past	개혁하느냐 gaehyeokhaneunya	개혁해 gaehyeokhae	개혁해요 gaehyeokhaeyo	개혁합니까 gaehyeokhamnikka
	Past	개혁했느냐 gaehyeokhaenneunya	개혁했어 gaehyeokhaesseo	개혁했어요 gaehyeokhaesseoyo	개혁했습니까 gaehyeokhaetseumnikka
Hortative		개혁하자 gaehyeokhaja	개혁해 gaehyeokhae	개혁해요 gaehyeokhaeyo	개혁하십시다 gaehyeokhasipsida
Imperative		개혁해라, 개혁하여라 gaehyeokhaera, gaehyeokhayeora	개혁해 gaehyeokhae	개혁해요 gaehyeokhaeyo	개혁합시오 gaehyeokhapsio
Assertive		개혁하겠다 gaehyeokhagetda	개혁하겠어 gaehyeokhagesseo	개혁하겠어요 gaehyeokhagesseoyo	개혁하겠습니다 gaehyeokhagetseumnida
Connective forms
Cause/Reason		개혁해 gaehyeokhae	개혁해서, 개혁하여서 gaehyeokhaeseo, gaehyeokhayeoseo	개혁하니 gaehyeokhani	개혁하니까 gaehyeokhanikka
Contrast		개혁하지만 gaehyeokhajiman	개혁하는데 gaehyeokhaneunde	개혁하더니 gaehyeokhadeoni
Conjunction		개혁하고 gaehyeokhago
Condition		개혁하면 gaehyeokhamyeon	개혁해야, 개혁하여야 gaehyeokhaeya, gaehyeokhayeoya
Motive		개혁하려고 gaehyeokharyeogo
Noun and determiner forms
Verbal nouns		개혁함 gaehyeokham	개혁하기 gaehyeokhagi
Past-tense verbal nouns		개혁했음, 개혁하였음 gaehyeokhaesseum, gaehyeokhayeosseum	개혁했기, 개혁하였기 gaehyeokhaetgi, gaehyeokhayeotgi
Determiners	Past	개혁한 gaehyeokhan
	Present	개혁하는 gaehyeokhaneun
	Future	개혁할 gaehyeokhal

Sentence-final forms with honorific
		Formal non-polite (해라체)	Informal non-polite (해체)	Informal polite (해요체)	Formal polite (하십시오체)
Indicative	Non-past	개혁하신다 gaehyeokhasinda	개혁하셔 gaehyeokhasyeo	개혁하세요, 개혁하셔요 gaehyeokhaseyo, gaehyeokhasyeoyo	개혁하십니다 gaehyeokhasimnida
	Past	개혁하셨다 gaehyeokhasyeotda	개혁하셨어 gaehyeokhasyeosseo	개혁하셨어요 gaehyeokhasyeosseoyo	개혁하셨습니다 gaehyeokhasyeotseumnida
Interrogative	Non-past	개혁하시느냐 gaehyeokhasineunya	개혁하셔 gaehyeokhasyeo	개혁하세요, 개혁하셔요 gaehyeokhaseyo, gaehyeokhasyeoyo	개혁하십니까 gaehyeokhasimnikka
	Past	개혁하셨느냐 gaehyeokhasyeonneunya	개혁하셨어 gaehyeokhasyeosseo	개혁하셨어요 gaehyeokhasyeosseoyo	개혁하셨습니까 gaehyeokhasyeotseumnikka
Imperative		개혁하시라 gaehyeokhasira	개혁하셔 gaehyeokhasyeo	개혁하세요 gaehyeokhaseyo	개혁하십시오 gaehyeokhasipsio
Assertive		개혁하시겠다 gaehyeokhasigetda	개혁하시겠어 gaehyeokhasigesseo	개혁하시겠어요 gaehyeokhasigesseoyo	개혁하시겠습니다 gaehyeokhasigetseumnida
Connective forms with honorific
Cause/Reason		개혁하셔 gaehyeokhasyeo	개혁하셔서 gaehyeokhasyeoseo	개혁하시니 gaehyeokhasini	개혁하시니까 gaehyeokhasinikka
Contrast		개혁하시지만 gaehyeokhasijiman	개혁하시는데 gaehyeokhasineunde	개혁하시더니 gaehyeokhasideoni
Conjunction		개혁하시고 gaehyeokhasigo
Condition		개혁하시면 gaehyeokhasimyeon	개혁하셔야 gaehyeokhasyeoya
Motive		개혁하시려고 gaehyeokhasiryeogo
Noun and determiner forms with honorific
Verbal nouns		개혁하심 gaehyeokhasim	개혁하시기 gaehyeokhasigi
Past-tense verbal nouns		개혁하셨음 gaehyeokhasyeosseum	개혁하셨기 gaehyeokhasyeotgi
Determiners	Past	개혁하신 gaehyeokhasin
	Present	개혁하시는 gaehyeokhasineun
	Future	개혁하실 gaehyeokhasil