는/은 지 in the ending
는/은 지 is used for adjective, isn't it ? but if we add only 지 in the ending of word what's will mean then ???

Question

Answer

First listen to this lesson: -(으)ㄴ/는지
http://www.talktomeinkorean.com/lessons/level-5-lesson-18/
Then listen this lesson: -지요/-죠
http://www.talktomeinkorean.com/lessons/level-4-lesson-4/
Read the PDF as well.

Answer

는(present tence)/은,ㄴ(past tence) is used for verb. 
은,ㄴ(present tence)is use for adjective. there is no past tence for adjective. 
e.x. 불고기를 먹는 지(if (somebody) eat bulgogi or not) , 
       불고기를 먹은 지 (if (somebody) ate bulgogi or not).

Answer

the independent 지 at the ending means "confirmation", similar to "~~~. right?"
e.x. A: 에제 들어왔지?(you came back yeasterday, right?)

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