개량하다

Korean

Etymology

개량(改良) (gaeryang, “improvement”) +‎ 하다 (-hada, “to do”, light verb deriving active verbs).

Pronunciation

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

Romanizations
Revised Romanization?	gaeryanghada
Revised Romanization (translit.)?	gaelyanghada
McCune–Reischauer?	kaeryanghada
Yale Romanization?	kāylyanghata

Verb

개량하다 • (gaeryanghada) (infinitive 개량해 or 개량하여, sequential 개량하니)

1. to improve

Conjugation

    Selected forms of the verb 개량하다 (gaeryanghada): 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	개량한다 gaeryanghanda	개량해 gaeryanghae	개량해요 gaeryanghaeyo	개량합니다 gaeryanghamnida
	Past	개량했다 gaeryanghaetda	개량했어 gaeryanghaesseo	개량했어요 gaeryanghaesseoyo	개량했습니다 gaeryanghaetseumnida
Interrogative	Non-past	개량하느냐 gaeryanghaneunya	개량해 gaeryanghae	개량해요 gaeryanghaeyo	개량합니까 gaeryanghamnikka
	Past	개량했느냐 gaeryanghaenneunya	개량했어 gaeryanghaesseo	개량했어요 gaeryanghaesseoyo	개량했습니까 gaeryanghaetseumnikka
Hortative		개량하자 gaeryanghaja	개량해 gaeryanghae	개량해요 gaeryanghaeyo	개량하십시다 gaeryanghasipsida
Imperative		개량해라, 개량하여라 gaeryanghaera, gaeryanghayeora	개량해 gaeryanghae	개량해요 gaeryanghaeyo	개량합시오 gaeryanghapsio
Assertive		개량하겠다 gaeryanghagetda	개량하겠어 gaeryanghagesseo	개량하겠어요 gaeryanghagesseoyo	개량하겠습니다 gaeryanghagetseumnida
Connective forms
Cause/Reason		개량해 gaeryanghae	개량해서, 개량하여서 gaeryanghaeseo, gaeryanghayeoseo	개량하니 gaeryanghani	개량하니까 gaeryanghanikka
Contrast		개량하지만 gaeryanghajiman	개량하는데 gaeryanghaneunde	개량하더니 gaeryanghadeoni
Conjunction		개량하고 gaeryanghago
Condition		개량하면 gaeryanghamyeon	개량해야, 개량하여야 gaeryanghaeya, gaeryanghayeoya
Motive		개량하려고 gaeryangharyeogo
Noun and determiner forms
Verbal nouns		개량함 gaeryangham	개량하기 gaeryanghagi
Past-tense verbal nouns		개량했음, 개량하였음 gaeryanghaesseum, gaeryanghayeosseum	개량했기, 개량하였기 gaeryanghaetgi, gaeryanghayeotgi
Determiners	Past	개량한 gaeryanghan
	Present	개량하는 gaeryanghaneun
	Future	개량할 gaeryanghal

Sentence-final forms with honorific
		Formal non-polite (해라체)	Informal non-polite (해체)	Informal polite (해요체)	Formal polite (하십시오체)
Indicative	Non-past	개량하신다 gaeryanghasinda	개량하셔 gaeryanghasyeo	개량하세요, 개량하셔요 gaeryanghaseyo, gaeryanghasyeoyo	개량하십니다 gaeryanghasimnida
	Past	개량하셨다 gaeryanghasyeotda	개량하셨어 gaeryanghasyeosseo	개량하셨어요 gaeryanghasyeosseoyo	개량하셨습니다 gaeryanghasyeotseumnida
Interrogative	Non-past	개량하시느냐 gaeryanghasineunya	개량하셔 gaeryanghasyeo	개량하세요, 개량하셔요 gaeryanghaseyo, gaeryanghasyeoyo	개량하십니까 gaeryanghasimnikka
	Past	개량하셨느냐 gaeryanghasyeonneunya	개량하셨어 gaeryanghasyeosseo	개량하셨어요 gaeryanghasyeosseoyo	개량하셨습니까 gaeryanghasyeotseumnikka
Imperative		개량하시라 gaeryanghasira	개량하셔 gaeryanghasyeo	개량하세요 gaeryanghaseyo	개량하십시오 gaeryanghasipsio
Assertive		개량하시겠다 gaeryanghasigetda	개량하시겠어 gaeryanghasigesseo	개량하시겠어요 gaeryanghasigesseoyo	개량하시겠습니다 gaeryanghasigetseumnida
Connective forms with honorific
Cause/Reason		개량하셔 gaeryanghasyeo	개량하셔서 gaeryanghasyeoseo	개량하시니 gaeryanghasini	개량하시니까 gaeryanghasinikka
Contrast		개량하시지만 gaeryanghasijiman	개량하시는데 gaeryanghasineunde	개량하시더니 gaeryanghasideoni
Conjunction		개량하시고 gaeryanghasigo
Condition		개량하시면 gaeryanghasimyeon	개량하셔야 gaeryanghasyeoya
Motive		개량하시려고 gaeryanghasiryeogo
Noun and determiner forms with honorific
Verbal nouns		개량하심 gaeryanghasim	개량하시기 gaeryanghasigi
Past-tense verbal nouns		개량하셨음 gaeryanghasyeosseum	개량하셨기 gaeryanghasyeotgi
Determiners	Past	개량하신 gaeryanghasin
	Present	개량하시는 gaeryanghasineun
	Future	개량하실 gaeryanghasil