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ㄹ거예요 vs 겠다 | What's the difference between ㄹ거예요 & 겠다?

ㄹ거예요 vs 겠다

~겠다 means a strong will or intention to perform an action and can only be used in the first person

To emphasise one’s strong will or intention to follow through with an action, use ~겠다 instead of ~(으)ㄹ게.

~겠다 is also used very often in formal and professional settings.


앞으로 열심히 일을 하겠습니다. 감사합니다.

I will work hard from now on. Thank you.

와! 진짜 맛있어 보이네. 잘 먹겠습니다.

Wow! This looks really delicious. I will eat well.

* 먹겠습니다 is a commonly used phrase at the dinner table as an expression of gratitude for the food and courtesy before eating. It might be in the formal form but it can be used in all casual, polite or formal situations.

오늘 즐거웠습니다. 다음에는 다시 뵙겠습니다.

I enjoyed myself today. See you again next time.

*다시 뵙겠습니다 is the honorific form of 다시 만나요, which essentially means the same thing “see you again/meet you again”.

~겠다 can be attached to both verbs and adjectives

In this respect, ~겠다 is the same as ~(으)ㄹ 것이다 in that we can attach both verbs and adjectives to both grammar particles to express something that hasn’t yet happened.

Once again, as you will notice, ~겠다 is commonly used in (but not limited to) formal and polite situations.


회의가 2시에 끝나겠어요. 잠시 기다려 주세요.

The meeting will end at 2 pm. Please wait for a while.

어제 아주 바빠서 찾지 못했지만 오늘 다시 찾겠어요.

I was very busy yesterday so I couldn’t find it but I will find it again today.

너무나 걱정하지 마세요. 스트레스를 받으면 아프겠어요.

Don’t be overly worried. If you’re stressed out, you will get sick.

~겠다 implies the speaker’s guess when used on another subject other than him or herself. (I bet / I guess / It seems)

~겠다 can be used if we’re unsure of something and wish to be polite. This is especially true when the speaker is not referring to an action or adjective that applies to him or herself.


메뉴판을 봐서 김치찌개가 맛있겠어! 주문해 봐.

I saw the menu and I guess the Kimchi stew will be delicious! Let’s order that.

나중에 그 회사에서 일을 하면 많이 고생하겠어.

When I work at that company in the future, I guess I will suffer a lot.

Use this formula for the second usage:

[verb / adjective stem] + 겠다 = I guess / I bet / It seems

Let’s see some sample sentences:

맛있겠다. = It looks delicious. / It seems delicious.

맛있다 = to be delicious

~ 맛있 + 겠다 = 맛있겠다 = It seems delicious

일주일에 책을 다 읽겠어요 = I bet I can read the whole book in a week.

다 = all

읽다 = to read

~ 읽 + 겠어요 = 읽겠어요 = I bet I can read / I think I’ll read

Could also mean, in some cases, “I intend to read the whole book in one week” or “I will read the whole book in a week”

그 콘서트 입장권이 비싸겠어. = I bet those concert tickets are expensive. / Those concert tickets must be expensive.

입장권 = ticket(s)

비싸다 = to be expensive

~ 비싸 + 겠어 = 비싸겠어 = I bet it’s expensive / It must be expensive / I guess it’s expensive

Practice Session

translate each sentence into or from Korean using -겠다

*Answers Are At The End*

~ 내일은 꼭 그 일을 끝내겠어요

~ I will go to Korea.

~ I bet it’s going to rain tomorrow

~ 내일은 날씨가 춥겠어요

~(으)ㄹ 것이다 can be used in first, second and third person unlike -겠다.


First Person: I/Me, We, Us

이따가 점심을 먹을 거예요.

I will eat lunch later.

Second Person: You, Your, Yours

내일 학교에 갈 거예요?

Will you go to school tomorrow?

*() 것이다 is usually used to ask questions when used in the second person.

Third Person: He/Him, She/Her, It, They/Them

형은 저녁을 먹고나서 게임을 할 거예요

Elder brother will play games after having his dinner.

~(으)ㄹ 것이다 can also be attached to both verbs and adjectives

As can be seen, ~(으)ㄹ 것이다 is the most general and common way to express future tense.


저는 다음 주에도 바쁠 거예요.

I'll be very busy next week, too.

오늘 점심은 뭐 먹을 거예요?

What do you want for lunch today?


You must have been hungry

Answers Section:

내일은 꼭 그 일을 끝내겠어요

Tomorrow I’ll definitely finish the job

저는 한국에 가겠어요

I will go to Korea.

내일은 비가 오겠어

I bet it’s going to rain tomorrow.

내일은 날씨가 춥겠어요

(I think or bet) tomorrow will be cold.


This is the end of this post. Actually this post was a collaboration post on Instagram, so the second part -ㄹ 것이다 doesn't have as much information here because It was supposed to be the other person's post haha. But here's the link to the old instagram post.

Comment below if you want me to post more grammar lessons like this! And leave a like so I know that you like these types of blogs.

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