V + -는지 / A + -(으)ㄴ지 알다/모르다 – Know / Do Not Know Whether (Embedded Question)

Conjugation & Pattern

• Present: Verb (and 있다/없다) + -는지 | Adjective + -(으)ㄴ지 | Noun + 인지 + 알다/모르다/궁금하다/물어보다
• Past (V/A): -았/었는지 | Future / Supposition: -(으)ㄹ지

Detailed Usage

Embeds an indirect question (either with a wh-word like 누구, 어디, 언제, 어떻게, 왜, 얼마나 or a yes/no question) before verbs of cognition or inquiry such as '알다', '모르다', '물어보다', '궁금하다', or '알려 주다'.

Example Sentences

1. 1

   출입국관리사무소에 어떻게 가는지 아세요?

   Churipgukgwallisamusoe eotteotge ganeunji aseyo?

   Do you know how to get to the Immigration Office?

2. 2

   집들이에 무슨 음식을 준비해야 하는지 모르겠어요.

   Jipdeurie museun eumsigeul junbihaeya haneunji moreugesseoyo.

   I don't know what kind of food I should prepare for the housewarming party.

3. 3

   저분이 누구인지 아시면 저에게 좀 알려 주세요.

   Jeobuni nuguinji asimyeon jeoege jom allyeo juseyo.

   If you know who that person is, please let me know.