개사하다

Korean

Etymology

개사(改詞) (gaesa, “changing lyrics”) +‎ 하다 (-hada, “to do”, light verb deriving active verbs).

Pronunciation

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

Romanizations
Revised Romanization?	gaesahada
Revised Romanization (translit.)?	gaesahada
McCune–Reischauer?	kaesahada
Yale Romanization?	kāysahata

Verb

개사하다 • (gaesahada) (infinitive 개사해 or 개사하여, sequential 개사하니)

1. to change lyrics

Conjugation

    Selected forms of the verb 개사하다 (gaesahada): 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	개사한다 gaesahanda	개사해 gaesahae	개사해요 gaesahaeyo	개사합니다 gaesahamnida
	Past	개사했다 gaesahaetda	개사했어 gaesahaesseo	개사했어요 gaesahaesseoyo	개사했습니다 gaesahaetseumnida
Interrogative	Non-past	개사하느냐 gaesahaneunya	개사해 gaesahae	개사해요 gaesahaeyo	개사합니까 gaesahamnikka
	Past	개사했느냐 gaesahaenneunya	개사했어 gaesahaesseo	개사했어요 gaesahaesseoyo	개사했습니까 gaesahaetseumnikka
Hortative		개사하자 gaesahaja	개사해 gaesahae	개사해요 gaesahaeyo	개사하십시다 gaesahasipsida
Imperative		개사해라, 개사하여라 gaesahaera, gaesahayeora	개사해 gaesahae	개사해요 gaesahaeyo	개사합시오 gaesahapsio
Assertive		개사하겠다 gaesahagetda	개사하겠어 gaesahagesseo	개사하겠어요 gaesahagesseoyo	개사하겠습니다 gaesahagetseumnida
Connective forms
Cause/Reason		개사해 gaesahae	개사해서, 개사하여서 gaesahaeseo, gaesahayeoseo	개사하니 gaesahani	개사하니까 gaesahanikka
Contrast		개사하지만 gaesahajiman	개사하는데 gaesahaneunde	개사하더니 gaesahadeoni
Conjunction		개사하고 gaesahago
Condition		개사하면 gaesahamyeon	개사해야, 개사하여야 gaesahaeya, gaesahayeoya
Motive		개사하려고 gaesaharyeogo
Noun and determiner forms
Verbal nouns		개사함 gaesaham	개사하기 gaesahagi
Past-tense verbal nouns		개사했음, 개사하였음 gaesahaesseum, gaesahayeosseum	개사했기, 개사하였기 gaesahaetgi, gaesahayeotgi
Determiners	Past	개사한 gaesahan
	Present	개사하는 gaesahaneun
	Future	개사할 gaesahal

Sentence-final forms with honorific
		Formal non-polite (해라체)	Informal non-polite (해체)	Informal polite (해요체)	Formal polite (하십시오체)
Indicative	Non-past	개사하신다 gaesahasinda	개사하셔 gaesahasyeo	개사하세요, 개사하셔요 gaesahaseyo, gaesahasyeoyo	개사하십니다 gaesahasimnida
	Past	개사하셨다 gaesahasyeotda	개사하셨어 gaesahasyeosseo	개사하셨어요 gaesahasyeosseoyo	개사하셨습니다 gaesahasyeotseumnida
Interrogative	Non-past	개사하시느냐 gaesahasineunya	개사하셔 gaesahasyeo	개사하세요, 개사하셔요 gaesahaseyo, gaesahasyeoyo	개사하십니까 gaesahasimnikka
	Past	개사하셨느냐 gaesahasyeonneunya	개사하셨어 gaesahasyeosseo	개사하셨어요 gaesahasyeosseoyo	개사하셨습니까 gaesahasyeotseumnikka
Imperative		개사하시라 gaesahasira	개사하셔 gaesahasyeo	개사하세요 gaesahaseyo	개사하십시오 gaesahasipsio
Assertive		개사하시겠다 gaesahasigetda	개사하시겠어 gaesahasigesseo	개사하시겠어요 gaesahasigesseoyo	개사하시겠습니다 gaesahasigetseumnida
Connective forms with honorific
Cause/Reason		개사하셔 gaesahasyeo	개사하셔서 gaesahasyeoseo	개사하시니 gaesahasini	개사하시니까 gaesahasinikka
Contrast		개사하시지만 gaesahasijiman	개사하시는데 gaesahasineunde	개사하시더니 gaesahasideoni
Conjunction		개사하시고 gaesahasigo
Condition		개사하시면 gaesahasimyeon	개사하셔야 gaesahasyeoya
Motive		개사하시려고 gaesahasiryeogo
Noun and determiner forms with honorific
Verbal nouns		개사하심 gaesahasim	개사하시기 gaesahasigi
Past-tense verbal nouns		개사하셨음 gaesahasyeosseum	개사하셨기 gaesahasyeotgi
Determiners	Past	개사하신 gaesahasin
	Present	개사하시는 gaesahasineun
	Future	개사하실 gaesahasil