Let's learn about "내가 무슨 얘기 들었는 지 아니?"

내가 무슨 얘기 들었는지 아니/아느냐/아십니까/아시는지요 ?
1) you’ll never guess what i heard
2) you won’t believe what i jusg heard
3) you won’t believe this
4) you’ll never believe this
5) you won’t believe what Tom said to me
6) you won’t believe what Cindy tell me
7) you won’t believe what just happened

내가 : i <— 내(i) + 가(a suffix makes a word subjective)
무슨 : what
얘기, 야기, 이야기 : a word, a rumour, a story
듣다 : listen, hear
들었는지 : being heard <— 듣다(“ㄷ” changed into “ㄹ” for easy pronunciation) + 었는지

* －었는지 (uncertainty:불확실) whether was[did].
예) 그가 죽었는지 살았는지 아무도 모른다 : Nobody knows whether he is alive or dead.
불확실 : uncertainty
불확실하다 : be uncertain <— 불,부(never,no,not) + 확실(certainty) + 하다(be, become, do)

죽다 : die, pass by
살다 : live, be alive

~는지 ~는지 : whether ~ or ~

아무 : anyone; anybody; any person; no one; nobody; none
~~도 모른다 : never know
* 도 : intensifying letter
아무도 모른다 : nobody knows

안다, 알다 : know

아니 ? : 알다(ㄹ erased when it meet “ㄴ” for easy pronunciation) + 니(a question suffix to the younger or the same age familiar)

아느냐 ? : 알다(ㄹ erased when it meet “ㄴ” for easy pronunciation) + 느냐(a question suffix to the younger or the same age familiar)

아십니까 ? : 알다(ㄹ erased when it meet “ㅅ” for easy pronunciation) + 십(a suffix has a respectful meaning) + 니(a connection letter after “십”) + 까(a question suffix to the younger,the same age or the older)

아시는지요 ? : 알다(ㄹ erased when it meet “ㅅ”) + 시(a suffix has a respectful meaning) + 는지(a question suffix inquiring a listener’s answer forcifully) + 요(a winsome suffix>