-ㄹ/을 테니까 grammar meaning and example

ㄹ/을 테니까(요) grammar is attached after the verb stem / adjective stem to show the intention or speculation of the speaker in the latter part of the sentence [verb/adjective stem] + ㄹ/을 테니까(요).

with a consonant

먹다 – 먹을테니까
읽다 – 읽을테니까

with a vowel

가다 – 갈테니까
하다 – 할테니까

ㅂirregular verb
굽다 – 구을테니까
어렵다 – 어려을테니까
돕다 – 도을테니까

ㄷ irregular verb
듣다 – 들을테니까
걷다 – 걸을테니까

ㄹ irregular verb
살다 – 살테니까
팔다 – 팔테니까

ㅎ irregular verb
하얗다 – 하얄테니까
그렇다 – 그럴테니까

-을 테니까(요) is equivalent to “since it might…” or “since he/she might…” and it gives a suggestion to the listener. The first clause provides a reason for.. and the second clause provides the suggestion or advice.

If there is [verb/adjective stem has] a final consonant -을 테니까(요) is used.
If there is no [verb/adjective stem has] final consonant -ㄹ 테니까(요) is used.

-ㄹ/을 테니까 is used for making suggestions or giving commands based on some sort of context.

-ㄹ/을 테니까is used in informal or casual situations and -ㄹ/을 테니까(요) is used in formal situations.

-ㄹ/을 테니까(요) can be used either in the middle of a sentence or at the end of a sentence. If it has to use in the middle or ends an informal sentence, you should drop the -요 and just use -ㄹ/을 테니까.

-ㄹ/을 테니까(요) can be used in the past tense sentence also by adding 았 / 었, the result is 았 / 었을 테니까(요).

테니까 grammar can not be used with 걱정이다, 고맙다, 미안하다.

공원에서 걷다 – 공원에서 걸을 테니까
혼자 살다 – 혼자 살 테니까
내일 춥다 – 내일 추울 타니까
춤을 추다 – 춤을 출 테니까
테니스를 치다 – 테니스를 칠 테니까
케이크를 굽다 – 케이크를 구울 테니까

-ㄹ/을 테니까 grammar conjugation

-ㄹ/을 테니까(요) is combined by -을 / ㄹ 터이다 and -(으)니까(요). -을 / ㄹ 터이다 means some kind of will or intention or a supposition and (으)니까(요) is used to express “because” or “so” in Korean.

-니까(요) and -ㄹ/을 테니까(요) are similar, both means “because” or “so” in Korean. But -ㄹ/을 테니까(요) is usually used when making an assumption.

-ㄹ/을 테니까(요) is used to show future actions. It is used to make an assumption about what might happen or what is going to happen in the future.

눈 많이 올 테니까 우산을 가져가세요.
The literal meaning is it is going to snow today, so bring an umbrella.
The actual meaning is I think/ assume it is going to snow today, so bring an umbrella.
It’s supposed to snow today, so bring an umbrella.

오늘은 많이 더울 테니까 물 많이 마셔.  It’s going to be very hot today, so drink a lot of water. / I assume it’s going to be hot today, so drink a lot of water dress warmly. 

제가 다 할 테니까 집으로 가세요.  I’ll do it all, so go home. (this is not an assumption, but because you’re giving a command (telling someone to go home).

Tense:

테니까 grammar + Adjective/ Verb conjugation

– past tense 과거 : 았/었을 테니까
– present/ future tense 현재 / 미래 : -(으)ㄹ 테니까

테니까 grammar + noun conjugation

– past tense 과거: 였을 테니까

– present/ future tense 현재 / 미래 : -(으)ㄹ 테니까 일 테니까

내일 제가 요리 할 테니까 놀러오세요. As I plan to cook tomorrow, please come over.
커피숍은 시끄러울 테니까 도서관에서 만나요. Since the coffee shop will be noisy, let’s meet at the library.
내가 청소 할 테니까 빨래 하세요. As I will clean, please do the laundry.
이따 비가 많이 올 테니까 우선 가지고 가세요. Since it will rain a lot later, please take your umbrella with you.
전 늦을 테니까 먼저 가세요. I will be late, so please go first.