A/V-(으)ㄹ 테니까 grammar = suppose, will (because) ~give reasons for suggestion or advice

Mastering Korean Grammar: A Comprehensive Guide to A/V-(으)ㄹ 테니까

Today, we'll explore the incredibly useful grammatical structure 'A/V-(으)ㄹ 테니까'. This expression is used to convey suppositions or intentions that serve as reasons for suggestions or advice.

What is A/V-(으)ㄹ 테니까?

This grammatical structure combines:

• -(으)ㄹ 터이다 (future situation or intention)
• -(으)니까 (gives reason)

It expresses the speaker's strong supposition or intention, which becomes a reason or condition for suggestion or advice to the listener.

Usage:

1.     Meaning: "suppose" or "will... (because)"

 

지금 갈 테니까 조금 더 기다려 주세요.

I'm about to leave now, so please wait just a little bit more.

 

2.     Often shortened to -(으)ㄹ 테니 without changing the meaning

3.     Cannot be used with expressions like 고맙다 and 미안하다 (use A/V-(으)ㄹ 텐데 instead)

 

바쁘실 텐데 참석해 주셔서 감사합니다.

You must be busy but thank you for attending.

 

피곤할 텐데 일찍 나오라고 해서 미안해요.

You must be tired, but I'm sorry for telling you to leave early.

 

4.     Also used to express the speaker's will or intention (1st clause) and followed by a request or suggestion to the listener to do something.

 

오늘 제가 밥을 살 테니 리사 시는 다음에 사세요.

I'll buy meal today, so Lisa, please do it next time.

 

제가 청소를 할 테니 후안 씨는 빨래를 하세요.

I'll clean up, so Huan, please do the laundry.

Conjugation:

1.     Present/Future Tense:

Verb/Adjective + -(으)ㄹ 테니까 = suppose, will

·        가다 (to go) → 갈 테니까

·        먹다 (to eat) → 먹을 테니까

·        넓다 (to be wide) → 넓을 테니까

·        *살다 (to live) → 살 테니까

·        *듣다 (to listen) → 들을 테니까

·        o맛있다 (to be delicious) → 맛있을 테니까

Noun + 일 테니까

·        아이 (child) → 아이일 테니까

·        학생 (student) → 학생일 테니까

 

2.     Past Tense:

Verb/Adjective + -았/었을 테니까

·        가다 → 갔을 테니까

·        먹다 → 먹었을 테니까

·        넓다 → 넓었을 테니까

·        맛있다 → 맛있었을 테니까

Noun + 였을/이었을 테니까

·        아이 → 아이였을 테니까

·        학생 → 학생이었을 테니까

Examples:

 

1.     비빔밥에는 고추장을 넣어야 맛있지요? - 네, 하지만 고추장을 많이 넣으면 매울 테니까 조금만 넣으세요.

Bibimbap needs pepper sauce to taste good, right? - Yes, but if you add too much pepper sauce, it will be spicy, so just add a little.

 

2.     나미 씨가 면접을 잘 봤는지 모르겠어요. - 잘 봤을 테니까 걱정하지 마세요.

I wonder if Nami did well on her interview. - I am sure she did well, so don't worry.

 

3.     요즘 딸기 철이라 딸기가 싸고 맛있을 테니까 딸기를 사 가요.

Because it's strawberry season now, they should be cheap and taste good, so let's buy some strawberries.

 

4.     오늘은 많이 추울 테니까 따뜻하게 입으세요.

It's going to be very cold today, so please dress warmly.

 

5.     마리 씨가 자고 있을 테니까 이따가 전화합시다.

Since Mary is probably sleeping, let's call her after a while.

 

6.     경찰이 반드시 범인을 잡을 테니 걱정하지 마세요.

The police will definitely catch the criminal, so don't worry.

 

7.     민우 씨가 없는 동안 제가 전화를 받을 테니 걱정하지 마세요.

I'll answer the phone while Minwoo is away, so don't worry.

 

8.     제가 점심을 준비할 테니 민수 씨는 설거지를 해 주세요.

I will prepare lunch, so Minsu, please wash the dishes.

 

9.     반찬은 제가 만들 테니 민국 씨는 밥을 해 주세요.

I'll make the side dishes, so Minguk, please prepare the rice.

 

10. 이 영화는 무서울 테니 다른 영화를 보는 거 어때요?

This movie will be scary, so why don't we watch another movie?

 

11. 오후에 비가 올 테니 우산을 가져가세요. - 알려 줘서 고마워요.

It's going to rain in the afternoon, so take an umbrella with you. - Thank you for letting me know.

 

12. 혹시 나미 씨 전화 번호 아세요? - 안나 씨가 알 테니까 안나 씨한테 물어보세요. Perhaps, do you know Nami's phone number? - Since Anna probably knows, please ask Anna.

 

13. 주말에 파티를 하기로 했어요. - 그럼, 음식을 많이 준비하는 게 좋겠어요. 주말이라서 사람들이 많이 올 테니까요.

I planned to have a party on the weekend. - Then, it's better to prepare a lot of food. Because it's the weekend, many people will probably come.

 

14. 이번 휴가에 어디로 갈까요? - 바다에는 사람이 많을 테니까 산에 가는 게 어때요?

Where shall we go for this vacation? - Since there will probably be many people at the sea, how about going to the mountains?

 

Differences between A/V-(으)ㄹ 테니까 and A/V-(으)ㄹ 텐데:

1.     A/V-(으)ㄹ 텐데: Refers to assumptions about current situations

배가 고플 텐데 어서 드세요. (You must be hungry, so please have something to eat.)

길이 막힐 텐데 지하철로 가자. (The street would be jammed, so let's take the subway.)

 

2.     A/V-(으)ㄹ 테니까: Provides reasons for assumptions or intentions

배가 고플 테니까 어서 드세요. (Because you must be hungry, please have something to eat.)

길이 막힐 테니까 지하철로 가자. (Since the street would be jammed, so let's take the subway.)

Note: These structures can sometimes be used interchangeably, but A/V-(으)ㄹ 테니까 is more common and natural for giving intentions, suggestions, or advice.

Conclusion:

​The 'A/V-(으)ㄹ 테니까' grammar structure is extremely useful for expressing suppositions and intentions in Korean, especially when giving suggestions or advice.​ Mastering this structure will greatly enhance your Korean language proficiency.

Keywords for SEO: A/V-(으)ㄹ 테니까 grammar, Korean learning, supposition expressions, intention expressions, Korean verbs, Korean adjectives, Korean suggestions, Korean advice