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Verbs · 하다 word

청소하다 conjugation

to clean (a room, house) · cheongsohada · sounds like [청소하다]

Short answer: “To clean (a room, house)” in Korean is 청소하다 (cheongsohada). Polite present: 청소해요 (cheongsohaeyo); past: 청소했어요 (cheongsohaesseoyo); future: 청소할 거예요. It is a 하다 verb: 하 + 아/어 always becomes 해.

Note: with noun + 하다 verbs, 안 and 못 go before 하다 — 청소 안 해요, not 안 청소해요.

청소하다 in sentences

All forms of 청소하다

Present
Polite (해요) is the everyday safe choice; formal (합니다) is for news, announcements and work; casual (반말) is for close friends and younger people.
FormKoreanSounds likeRomanized
polite-아/어요청소해요[청소해요]cheongsohaeyo
formal-(스)ㅂ니다청소합니다[청소함니다]cheongsohamnida
casual-아/어청소해[청소해]cheongsohae
plain (written)-(느)ㄴ다청소한다[청소한다]cheongsohanda
formal question-(스)ㅂ니까?청소합니까?[청소함니까]cheongsohamnikka?
is …ing (polite)-고 있어요청소하고 있어요[청소하고 이써요]cheongsohago isseoyo
Past
FormKoreanSounds likeRomanized
polite-았/었어요청소했어요[청소해써요]cheongsohaesseoyo
formal-았/었습니다청소했습니다[청소핻씀니다]cheongsohaetseumnida
casual-았/었어청소했어[청소해써]cheongsohaesseo
plain (written)-았/었다청소했다[청소핻따]cheongsohaetda
Future
FormKoreanSounds likeRomanized
polite — will-(으)ㄹ 거예요청소할 거예요[청소할 꺼예요]cheongsohal geoyeyo
formal-(으)ㄹ 겁니다청소할 겁니다[청소할 껌니다]cheongsohal geomnida
casual-(으)ㄹ 거야청소할 거야[청소할 꺼야]cheongsohal geoya
formal — I will (intention)-겠습니다청소하겠습니다[청소하겓씀니다]cheongsohagetseumnida
Negative
FormKoreanSounds likeRomanized
not (short)안 …청소 안 해요[청소 안 해요]cheongso an haeyo
did not안 …았/었어요청소 안 했어요[청소 안 해써요]cheongso an haesseoyo
not (long)-지 않아요청소하지 않아요[청소하지 아나요]cheongsohaji anayo
cannot못 …청소 못 해요[청소 모태요]cheongso mot haeyo
Honorific
Add -(으)시- when the subject is someone you respect (a teacher, a customer, an older person) — not yourself.
FormKoreanSounds likeRomanized
honorific — present-(으)세요청소하세요[청소하세요]cheongsohaseyo
honorific — past-(으)셨어요청소하셨어요[청소하셔써요]cheongsohasyeosseoyo
honorific — formal-(으)십니다청소하십니다[청소하심니다]cheongsohasimnida
Requests
FormKoreanSounds likeRomanized
please …-(으)세요청소하세요[청소하세요]cheongsohaseyo
please … (for me)-아/어 주세요청소해 주세요[청소해 주세요]cheongsohae juseyo
please don’t …-지 마세요청소하지 마세요[청소하지 마세요]cheongsohaji maseyo
let’s … (formal)-(으)ㅂ시다청소합시다[청소합씨다]cheongsohapsida
let’s … (casual)-자청소하자[청소하자]cheongsohaja
do … ! (casual command)-아/어라청소해라[청소해라]cheongsohaera
Connecting
FormKoreanSounds likeRomanized
… and-고청소하고[청소하고]cheongsohago
… so / and then-아/어서청소해서[청소해서]cheongsohaeseo
if …-(으)면청소하면[청소하면]cheongsohamyeon
… but-지만청소하지만[청소하지만]cheongsohajiman
because …-(으)니까청소하니까[청소하니까]cheongsohanikka
… and / but (background)-는데청소하는데[청소하는데]cheongsohaneunde
even if …-아/어도청소해도[청소해도]cheongsohaedo
while …-(으)면서청소하면서[청소하면서]cheongsohamyeonseo
in order to …-(으)려고청소하려고[청소하려고]cheongsoharyeogo
(go) to …-(으)러청소하러[청소하러]cheongsohareo
before …-기 전에청소하기 전에[청소하기 저네]cheongsohagi jeone
after …-(으)ㄴ 후에청소한 후에[청소한 후에]cheongsohan hue
Describing a noun
These go before a noun: “the food (that) I ate”, “a cold day”.
FormKoreanSounds likeRomanized
(that) … now-는청소하는[청소하는]cheongsohaneun
(that) …ed-(으)ㄴ청소한[청소한]cheongsohan
(that) will …-(으)ㄹ청소할[청소할]cheongsohal
Useful patterns
FormKoreanSounds likeRomanized
I want to …-고 싶어요청소하고 싶어요[청소하고 시퍼요]cheongsohago sipeoyo
can …-(으)ㄹ 수 있어요청소할 수 있어요[청소할 쑤 이써요]cheongsohal su isseoyo
cannot …-(으)ㄹ 수 없어요청소할 수 없어요[청소할 쑤 업써요]cheongsohal su eopseoyo
have to …-아/어야 해요청소해야 해요[청소해야 해요]cheongsohaeya haeyo
may … / it’s OK to …-아/어도 돼요청소해도 돼요[청소해도 돼요]cheongsohaedo dwaeyo
must not …-(으)면 안 돼요청소하면 안 돼요[청소하면 안 돼요]cheongsohamyeon an dwaeyo
…ing (noun)-기청소하기[청소하기]cheongsohagi

How 청소하다 changes

Every 하다 word works the same way: 하 + 여 becomes 해 → 청소해요, 청소했어요. With other endings 하 stays as it is: 청소합니다, 청소하면.

How every verb type works → · Why it sounds like that →

Questions

How do you say “clean” in Korean?

“To clean (a room, house)” is 청소하다 (cheongsohada), pronounced [청소하다]. In a sentence: 주말마다 방을 청소해요. — I clean my room every weekend.

What is the past tense of 청소하다?

청소했어요 (cheongsohaesseoyo) is the polite past tense of 청소하다 (“to clean (a room, house)”). Formal: 청소했습니다; casual: 청소했어.

How do you say 청소하다 politely?

Everyday polite: 청소해요 (cheongsohaeyo). Formal: 청소합니다. Casual, with close friends: 청소해.

How do you say “I want to clean” in Korean?

청소하고 싶어요 (cheongsohago sipeoyo), pronounced [청소하고 시퍼요].

Is 청소하다 irregular?

No. Every 하다 word works the same way: 하 + 여 becomes 해 → 청소해요, 청소했어요. With other endings 하 stays as it is: 청소합니다, 청소하면.

More 하다 words like 청소하다

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Forms follow 한글 맞춤법 (Korean spelling rules); pronunciation follows 표준 발음법 and romanization follows 국어의 로마자 표기법 (Revised Romanization). Last updated October 16, 2026. How we check