Level 1 Lesson 17 / Past Tense / -았/었/였어요 (했어요)

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In this TTMIK lesson, we are looking at the past tense of the Korean language. By knowing how to change your verbs into the past tense, you will be able to talk about what you did yesterday, who you met last week, and etc. If you already understand how to change verbs into the present tense, using the past tense will be a breeze. And if you are still not sure how to use the present tense, don’t worry! We are going to review that in this lesson too. Be sure to ask us any questions you have in the comment box! Thank you!

And after listening to the lesson, practice making your own sample sentences!

Sample question: 어제 뭐 했어요? [eo-je mwo hae-sseo-yo?] “What did you do yesterday?”

You can download a free PDF for this lesson here, or if you want to study with our TalkToMeInKorean textbooks, you can get them here. And after you learn the basics, try writing your own Korean sentences and get corrections from native speakers through HaruKorean, our 1:1 correction service.

  • Matt

    수업 즐겼어요. [I enjoyed the lesson].

    감사합니다 for the lesson! TTMIK 멋있어요. [TTMIK is awesome].

    • Seokjin Jin

      Thanks so much. You are awesome!

  • princekyung

    잘 들었어요! 선생님들 진짜 최고시다. 어제 하루종일 한국어 공부했어요.. 오늘도 열심히할게요 ^^ 고마워요~

    • Seokjin Jin

      정말 감사합니다. 앞으로도 저희랑 한국어 공부 즐겁게 해요! :)

  • Emily

    In the PDF, example #5, 6, and 7, can you explain why it is NOT what is written in the brackets? Why do we push some syllables together? Is there a rule or are those ones just exceptions?

    Thanks for your help.

    • metal_samurai

      the reason is because those verb stems end in vowels, so 쓰 would get merged, whereas 먹 would not

    • Emily

      Thanks for your reply. Ah, so if the verb stem is a vowel and the next syllable starts with a vowel, then you merge them. How do you know what it will become then?

      For example, how do I know that 기다리어요 should be 기다려요 and not 래 since we are merging vowels..?

    • metal_samurai

      when adding 아 or 어 (not just conjugation, there are plenty of other principles where you do this) to a stem ending in a vowel, they’ll merge in such a way that ultimately makes pronunciation easier. how they merge just depends on which two vowels are merging. e.g. 오 + 아 = 와, 이 + 어 = 여. ㅡ is simply replaced with the new vowel.

      i imagine they cover this in a later lesson, so i don’t want to post all the combinations here, but that’s the gist of it.

  • Nicole

    I have a question. When do you know when to use the words “진짜” and “정말” which both ‘really’? I’m a little confused about it.

    • Salma

      Same thing.

    • Nicole

      Hmm, I see. Thank you.

  • nastasia

    Hi I have a question. So in the lesson you said some verbs and when you say it it sounds different so it flows better but how do u know when you have to say it different to make it flow better. Also in the pdf the examples in red a a bit confusing because a couple verbs didnt end in ㅏ or ㅗ and it had the ending 아요.for example 잡다 and it had the ending 잡아요 I thought it would be 잡어요 because it doesnt end in 아 or 오

    • Seokjin Jin

      Verb stems ending with vowels ㅗ [o] or ㅏ [a] are followed by 아요 [a-yo].

      When it comes to 잡다, the verb stem is 잡 and it ends with vowel ㅏ, so 아요 was followed. :)

    • maria

      The last vowel in 잡다 without the 다 part is an ㅏ thats why.

  • Polly6106

    Hi, can you tell me how to say “I read” in past tense, please? :)

    • Daniel.Lion

      읽었어요.. i think

    • Polly6106

      Thanks :)

  • Blenda Camargo

    I have a little question.
    있다 is the verb to be, and without the 다 we have 있.
    Because 있 ends with the vowel I (not ㅏ nor ㅗ) we would have to add 었어요

    So, 있다 in the past tense would be 있었어요? It sounds weird.

    Does anybody know if this is correct or know the correct way to say 있다 in the past tense?

    • Carlos skHard

      Hey,the verb “to be” is not “있다” but “이다”.So,in present simple(formal way) it would be “입니다”and in standard way “이에요/예요”.But,for your reference,it doesnt mind if there are a last consonant(when making the stantard way).You just look at the last VOWEL,not the last letter.
      The past tense (standard)would be [이]+[었어요].But together:”였어요”.

  • Bethany Danaher

    어제 학교열쇠를 잃어버렸어요.

  • Gaby Bosco

    내가 그리었어요 과 햄버거 먹았어요

    Is that correct if i want to say that i drew and ate a hamburger? I’m still now very sure how to construct sentences in korean.

    Also i wanted to ask, for the verb 일하다, the stem would be 일하 so in the present tense would be 일해요 and in the past tense would be 일했어요?

    • JooyeonPark

      For the sentence building, Here’s a little correction
      내가 그렸어요.
      햄버거 먹었어요.

      and for the verb ‘일하다’, you are right! it’s 일해요 for the present and 일했어요 for the past.

    • Gaby Bosco

      Oh so in the first sentence, it’s like the 리 and 었 get together and end up like 렸?

      Thank you!!

    • Seokjin Jin

      Yes. 그리었어요 was shortened to 그렸어요.

  • Karan Mehra

    나는 학교 갔어요

    So the PDF says that 갔어요 it self means “I went”. Does it include to pronoun?

  • Jordan

    It’s my first time commenting, so I hope I have understood everything correctly!
    저는 잤어요! 더 자고 싶어요.
    I tried to say, “I slept! I want to sleep more.”
    Is that right? :)

    • Seokjin Jin

      Right! Perfect!

  • smallfry

    어저께 TTMIK 공구 했어요.

    • Seokjin Jin

      TTMIK 공구 했어요.> TTMIK으로 공부했어요.

  • luiza

    I was looking for 적다 as write down , but coldn’t find it. I only finded as 쓰다…. can you tell me if it’s right?

    • Seokjin Jin

      According to the context, 적다 can mean to write, too.

      그 사람의 이름을 적었어요.

      I wrote down his name.

  • Jordan

    I have a Korean friend who wrote 그래그래 나도다시가고싶다 on facebook :) I know 그래 is yeah, and 나도다시 is I too, again. I am little confused though, about the conjugation of 가다. Why did she use 가고싶다 instead of 가고싶어?

    • Seokjin Jin

      Both expressions are okay. When we say something in my mind to myself, like an exclamation, we often use the -다 pattern.

  • Lilya

    TTMIK 멋있어요! I was confused by the last example in PDF, for the present form of the verb 멋있다 , that is 멋있어요, almost sounds like 맛있어요 (it’s delicious) :)

    Are there any other common liaisons (merging rules) except the following?

    오 + 아 = 와
    이 + 어 = 여

  • Aubrey Jane

    안녕하세요 Hi ! I’m new here. 잘 부탁드립니다

  • Jason Vega

    the ending consonants are so tricky

  • Ula

    어제 저 일해요. I tried to say “Yesterday I was working.” Is order of words in this sentence good? Also I want to say I’m very, very thankful for your lessons! 감사합니다! I hope I will speak korean very well someday!

  • Nawal


    Your lessons are very very well done :D I feel like i’m progressing a lot ^^

    Please correct this for me !!

    어제, 저는 숙제 했어요 그리고 공부 했어요.


  • Kat

    어제 저는 스타벅스에서 일핬어요.
    “I worked at Starbucks yesterday.”

    Would that be correct? Also, would taking out 저는 be okay? I’ve heard that it is omitted a lot and I’m curious to what sounds more natural: including it in the sentence or not. I think one of the things that I probably have the most trouble with while studying my Korean is the placement of words. I feel like I’m throwing them in at random. xD

    • 다빗 David

      I believe if the situation makes clear that you are talking about yourself its ok to leave out 저는, like imagine if someone just asked you what you did yesterday. Use it when you want to emphasize or make clear its you who youre speaking about.

      And um im pretty sure you have to change 핬어요 in your phrase to 했어요, since its the past for of the verb 하다. So the whole phrase would be 어제 저는 스타벅스에서 일했어요. There are some verbs that are combined with 하다, such as 일하다 and you just need to focus on changing 하다 to 했어요, 일하다 => 일했어요. Im no teacher anyways, i just came to this lesson for review, and your comment is quite old already but i hope it helps a bit. Good luck with your Korean studying, 화이팅!!

  • Elise Mathis

    어제 한국 공부했어요. (Is this correct? — or would I have to place 저는 in the sentence.)

    • Chow

      I think the ‘I’ is implied… So, it is correct with or without it.

  • yourippehdees

    어제 책을 썼어요. 안이요, 어제 책을 읽었어요.
    Yesterday I wrote a book. No, yesterday I read a book.

    후에 커피를 마셨어요, 잤어요. 그로지만 잘수없었어요. 그래서 체 아내는 바보를 붙였어요.
    After I drank coffee, I went to sleep. But I couldn’t  sleep. So my wife called me 바보.

  • Chiayin Lee

    어제 치긴 먹었어요. 청말 맛있어요!

    • JooyeonPark

      어제 치킨 먹었어요. 정말 맛있었어요!

    • Chiayin Lee

      Thanks for pointing out my mistakes!

  • Rhine 린

    어제 책 읽겼어요. 너무 좋았어요
    (Yesterday I read a book. I liked it a lot/ It was so good)

    어제 피자 먹고 싶었어요. 오늘 커피 마시고 싶어요.
    (Yesterday I wanted to eat pizza. Today I want to drink coffee)

    Please correct me if I’m wrong.


    • Vi chhai

      어제 책을 읽었어요. 너무 좋았어요.

  • geethu

    anneyong!! in this lesson i have a doubt , that is ttmik teachers said that SOA YO is followed by eo-yo !!!!! and my doubt is soa has a vowel sound of O so we should conjugate with the first rule! but why they are conjugating with the secong rule of eo – yo ??????????? please clear me !!!

  • rachel

    안녕하세요 !!

    어제 집에 쉬었어요
    Yesterday I rested at home.

    어제 김치 먹고 싶었어요. 어눌 피자 먹고 싶었어요.
    Yesterday I wanted to eat kimchi. Today I wanted to eat pizza.

    감사합니다 TTMIK!!