Let's learn about "넌 내 맘 몰라"

넌 내 맘 몰라 : You don't know how I feel

[other expressions]

- 넌 내 맘 모른다. (to younger people or friends)

- 넌 내 맘 모르네. (to younger people or friends)

- 넌 내 맘 몰라. (to younger people or friends)

- 오빤 제 맘 모르네요. (honourific by '요')

- 오빤 제 맘 몰라요. (honourific by '요')

- 오빤 제 맘 모릅니다. (formal; more honourific by '스')

[explanations]

* 너 : you (non-honourific word)

* 오빠 : a brother of a girl; a man is older than a woman (honourific word)

* -는 : a particle makes 너 / 오빠 subjective after a word ends in a vowel

* 넌 : a short form of 너는

* 오빤 : a short form of 오빠는

* 나 : I (non-honourific word)

* 저 : I (honourific word)

* -의 : a particle makes 나 / 저 possesive

* 내 : a short form of 나의

* 제 : a short form of 저의

* 맘 : a short form of 마음(heart; mind)

* 모르다 : [ㄹ 불규칙] don't know

* 몰라 : 모르(the stem of 모르다; 으 erased before 아 and then ㄹ attached to 모) + -아(a non-honourific descriptive verb ending suffix)

* 모릅니다 : 모르(the stem of 모르다) + -ㅂ니다(an honourific verb ending suffix by ‘-ㅂ’)

* a verb + -다 / -네 / -아 : a non-honourific descriptive verb ending suffix

* a verb + -네 / -아+ -요 : an honourific verb ending suffix

* a verb +  -ㅂ니다 : an honourific descriptive verb ending suffix by '-ㅂ'