Hi!
An-yŏng-ha-se-yo.
안녕하세요.

Good Morning!
An-yŏng-hi ju-mu-shŏ-ssŏ-yo? / An-nyŏng-ha-se-yo? (polite)
안녕히 주무셨어요? 안녕하세요?

Good Evening!
Shik-sa-ha-shŏ-ssŏ-yo? / An-nyŏng-ha-shŏ-ssŏ-yo? (polite)
식사하셨어요? 안녕하세요?

Welcome! (to greet someone)
Hwan-yŏng-ham-ni-da.
환영합니다.

How Are You?
Chal ji-nae-shŏ-ssŏ-yo?
잘 지내셨어요?

I'm Fine, Thanks!
Ne. Chal ji-nae-ssŏ-yo.
네. 잘 지냈어요.

And You?
… ŭ-nyo/nŭ-nyo? *1
Title+ 은/는요?

Good/ So-So.
Chal ji-nae-ssŏ-yo. / Kŭ-jŏ kŭ-rae-yo.
잘 지냈어요. / 그저 그래요.

Thank You (Very Much)!
(Nŏ-mu) kam-sa-ham-ni-da!
(너무) 감사합니다!

You're Welcome! (answering "thank you")
A-ni-e-yo.
아니에요.

Hey! Friend!
Ya! Ch'in-gu! (informal)
야! 친구!

I Missed You So Much!
Nŏ-mu po-go shi-p'ŏ-ssŏ-yo.
너무 보고 싶었어요.

What's New?
Pyŏl-li-ri ŏp-ssŭ-shŏ-ssŏ-yo?
별일이 없으셨어요?

Nothing Much
Ne. ŏp-ssŏ-ssŏ-yo.
네. 없었어요.

Good Night!
An-yŏng-hi ju-mu-se-yo!
안녕히 주무세요!

See You Later!
Na-jung-e bwae-yo!
나중에 봬요!

Good Bye!
An-nyŏng-hi ga-se-yo! / An-nyŏng-hi ge-se-yo! *2
안녕히 가세요! /or/ 안녕히 계세요!

Do You Speak (English/ Korean)?
Yŏng-ŏ/han-gu-gŏ hal jul a-se-yo?
영어/한국어 할 줄 아세요?

Just a Little.
Cho-gŭ-myo.
조금요.

What's Your Name?
I-rŭ-mi ŏ-ttŏ-k'e dwoe-se-yo?
이름이 어떻게 되세요?

My Name Is ….
Chŏ-nŭn_____i-e-yo.
저는 ____이에요.

Mr.../ Mrs.…/ Miss…
Sŏn-saeng-nim/sa-mo-nim. *3
선생님/ 사모님 (Mrs.)

Nice To Meet You!
Man-na-sŏ ban-gap-ssŭm-ni-da!
만나서 반갑습니다!

You're Very Kind!
Nŏ-mu ch'in-jŏ-ra-shi-ne-yo!
너무 친절하시네요!

Where Are You From?
Ŏ-di-sŏ o-shiŏ-ssŏ-yo?
어디서 오셨어요?

I'm From (the U.S/ Korea)
Chŏ-nŭn (mi-guk/han-guk)-e-sŏ wa-ssŏ-yo.
저는 (미국/한국) 에서 왔어요.

I’m (American)
Chŏ-nŭn (mi-gu-gin)-i-e-yo.
저는 (미국인)이에요.

Where Do You Live?
Ŏ-di sa-se-yo?
어디 사세요?

I live in (the U.S/ Korea)
Chŏ-nŭn (mi-guk/han-guk)-e-sŏ sa-ra-yo.
저는 (미국/한국)에서 살아요.

Did You Like It Here?
Yŏ-gi-ga cho-ŭ-se-yo?
여기가 좋으세요?

Korea Is a Wonderful Country
Han-gu-gŭn dae-dan-han na-ra-im-ni-da.
한국은 대단한 나라입니다.

What Do You Do For A Living?
Chik-tchang-ŭn ŏ-ttŏ-k'e dwoe-se-yo?
직장은 어떻게 되세요?

I Work As A (Translator/ Businessman)
Chik-tchang-ŭn (pŏ-nyŏk-tcha/sa-ŏp-kka)-im-ni-da.
직장은 (번역자/사업가)입니다.

I Like Korean
Chŏ-nŭn han-gu-gŏ-ga cho-a-yo.
저는 한국어가 좋아요.

I've Been Learning Korean For 1 Month
Han-gu-gŏ gong-bu shi-ja-k'an ji han da-ri dwoe-ŏ-ssŏ-yo.
한국어 공부 시작한 지 한 달이 되었어요.

Oh! That's Good!
U-wa! Cho-ŭ-ne-yo!
우와! 좋으네요!

How Old Are You?
Na-i-ga ŏ-ttŏ-k'e dwoe-se-yo?
나이가 어떻게 되세요?

I'm (twenty, thirty…) Years Old.
Chŏ-nŭn (sŭ-mu/sŏ-rŭn)-sa-ri-e-yo.
저는 (스무/서른)살이에요.

I Have To Go
Ka-bwa-ya dwoe-yo.
가봐야 돼요.

I Will Be Right Back!
Kŭm-bang ga-tta ol-kke-yo.
금방 갔다 올께요

I'm Sorry! (if you don't hear something)
Mwŏ-ra-go-yo?
뭐라고요?

Sorry (for a mistake)
Choe-song-ham-ni-da.
죄송합니다.

No Problem!
A-ni-e-yo.
아니에요.

Can You Say It Again?
Ta-shi han-bŏn mal-ssŭ-mae-ju-shi-ge-ssŏ-yo?
다시 한번 말씀해주시겠어요?

Can You Speak Slowly?
Ch'ŏn-ch'ŏ-ni mal-ssŭ-mae ju-shi-ge-ssŏ-yo?
천천히 말씀해 주시겠어요?

Write It Down Please!
Chŏ-gŏ ju-se-yo!
적어 주세요!

I Don't Understand!
Mo-na-ra-dŭt-kke-ssŏ-yo.
못 알아 듣겠어요.

I Don't Know!
Mo-rŭ-ge-ssŏ-yo.
모르겠어요.

I Have No Idea.
Chŏ-nyŏ mo-rŭ-ge-ssŏ-yo.
전혀 모르겠어요.

What's That Called In Korean?
Kŭ-gŏt han-gung-mal-lo mwŏ-ra-go hae-yo?
그것 한국말로 뭐라고 해요?

What Does "dahn" Mean In English?
Da-nŭn yŏng-ŏ-ro mu-sŭn ttŭ-shi-e-yo?
”단”은 영어로 무슨 뜻이에요?

How Do You Say "Please" In Korean?
“Please”rŭl han-gung-mal-lo ŏ-ttŏ-k'e ma-rae-yo?
“Please”를 한국말로 어떻게 말해요?

What Is This?
I-ge mwŏ-ye-yo?
이게 뭐예요?

My Korean Is Bad.
Chŏ-nŭn han-gung-mal chal-mo-t'ae-yo.
저는 한국말 잘못 해요.

I need to practice my Korean
Han-gung-mal yŏn-sŭ-p'ae-ya dwoe-yo.
한국말 연습해야 돼요.

Don't Worry!
Kŏk-tchŏng ma-se-yo!
걱정 마세요!

Good/ Bad/ So-So.
Cho-a-yo./An-jo-a-yo./Kŭ-jŏ kŭ-rae-yo.
좋아요./안 좋아요./ 그저 그래요.

Big/ Small
K'ŭn/Cha-gŭn *4
큰/작은

Today/ Now
O-nŭl/Chi-gŭm
오늘/지금

Tomorrow/ Yesterday
Nae-il/Ŏ-je
내일/어제

Yes/ No
Ne/A-ni-yo.
네/아니요.

Here You Go! (when giving something)
Yŏ-gi-yo!
여기요!

Do You Like It?
Kwaen-ch'a-na-yo?
괜찮아요?

I Really Like It!
Nŏ-mu cho-a-yo!
너무 좋아요!

I'm Hungry/ Thirsty.
Pae-go-p'a-yo./Mong-mal-la-yo.
배고파요. / 목말라요.

In The Morning/ Evening/ At Night.
A-ch'i-me/Chŏ-nyŏ-ge/Pa-me
아침에/저녁에/밤에

This/ That. Here/There
I-gŏt/Kŭ-gŏt. Yŏ-gi/Kŏ-gi. *5
이것/그것. 여기/거기

Me/ You. Him/ Her.
Chŏ/... Kŭ-bun/Kŭ-bun
저/title 그분/ 그분

Really!
Chŏng-mal-lyo?
정말요?

Look!
Po-se-yo!
보세요!

Hurry Up!
Sŏ-du-rŭ-se-yo!
서두르세요!

What? Where?
Mwŏ-yo? Ŏ-di-yo?
뭐요? 어디요?

What Time Is It?
Myŏ-sshi-ye-yo?
몇시예요?

It's 10 o'clock. 07:30pm.
Yŏl-sshi-ye-yo. Il-gop-sshi ba-ni-e-yo.
열시예요. 일곱시 반이에요.

Give Me This!
I-gŏt ju-se-yo!
이것 주세요!

I Love You!
Sa-rang-hae-yo!
사랑해요!

I Feel Sick.
A-p'a-yo.
아파요.

i knew it an-yong is a word thank you for pointing that out
and byt he way thank you for sharing this will really help if i need to spek korean

Thank you VIERAN for posting this list of basic conversation phrases. It is very helpful. Now all I need is a practice buddy.

Thx, that's help my conversation practice^^

I still don't get it, why is it sound different when we put it together in one word? and when you say it alphabet, it sound way different. and is there any site that teach you how to put the alphabet together to become a word?

thank u so much
i learn a lot

kamsahamnida

^^ i will use this

cool ! i've got some korean friends, going to learn some phrases and surprise them !