How to say Before in Korean?

Verb + 기 전에

-기 전에 is a Korean grammatical form that means "before doing something" something else happens. -기 전에 is attached to a verb stem.
(e.g. I am washing hands before having lunch.)

See examples,
(click on translation and grammar buttons)

저는 아침을 먹기 전에 이를 닦았어요.

Korean

저

아침

먹다

이

닦다

English

I

morning, breakfast

to eat

teeth, this

to brush, to clean

I brushed my teeth before I had breakfast.

저는 아침을 먹기 전에 이를 닦+았+어요.

저는 옷을 입기 전에 샤워를 했어요.

Korean

옷

입다

샤워하다 / 샤워를 하다

English

clothes

to get dressed

to take shower

I had a shower before I got dressed.

저는 옷을 입기 전에 샤워를 하+였+어요.

우리가 일을 시작하기 전에 커피를 마십니다.

Korean

우리

일

시작하다

커피

마시다

English

we

work

to start

coffee

to drink

We drink coffee before we start work.

우리가 일을 시작하기 전에 커피를 마시+ㅂ니다.

Noun + 전에

It's also possible to use 전에 with nouns. It is usually translated as "ago" or "before".
(e.g. I came to school before 9 a.m.)

See examples,
(click on translation and grammar buttons)

조부모님이 조금 전에 오셨어요.

Korean

조부모님

조금

오다

English

grandparents

a little

to come

My grandparents came a little while ago.

조부모+님+이 조금 전에 오+시+었+어요.

저는 1시간 전에 돌아왔어요.

Korean

시간

돌아오다

English

counter word for hours

to come back

I came back an hour ago.

저는 1시간 전에 돌아오+았+어요.

저는 오전 9시 전에 학교에 왔습니다.

Korean

저

오전

시

학교

오다

English

I

a.m.

hour

school

to come

I came to school before 9 a.m.

저는 오전 9시 전에 학교에 오+았+습니다.

Quick reference (click to open)

Vowels: a, e, i, o, u

Consonants: b, c, d, f, g, h, j

Syllable: Bra-zil (2 syllables), Ar-gen-ti-na (4), In-di-a (3), Viet-nam (2), thin-king (2), beau-ti-ful (3), good (1)

Batchim: is a final consonant in a syllable. → Bra-zil (batchim: 'l'), Ar-gen-ti-na (batchims: 'r' and 'n'), In-di-a ('n'), Viet-nam ('t', 'm')

Romanization: is a conversion of text (not pronunciation ! ) from different writing system (Korean, Arabic, Russian, etc.) to the Roman (Latin) alphabet.

IPA: is an alphabetic system of phonetic (pronunciation) notation.

Noun: road, user, sister, table, sky

Pronoun: I, my, we, you, they, her

Verb: to go, to study, to think, to feel

Adjective: cold, kind, hungry, curious, expensive

Adverb: quickly, nicely, never, exactly, urgently

Preposition: from, to, on, in, with, till

Conjuction: and, because, if, but, while

Declarative sentence: I learn Korean.

Interrogative sentence: Do you learn Korean?

Imperative sentence: You must learn Korean!

Exclamative sentence: Wow, you learn Korean!

Verb / Adj. stem in Korean: part of a verb or adj. which is left after removing the last syllable -다 ( e.g. 가다 → 가, 예쁘다 → 예쁘, 듣다 → 듣 ).