Let's learn about "나야"

나야 : It’s me; Me, here

ex)

A. 누구시죠? : Who’s calling, please?

B. 나야. 내 목소리 못 알아듣겠어? : It’s me. Don’t you recognize my voice?

[other expressions]

<반말(talking down to)>

- 나다. (to younger people or friends)

- 나네. (to younger people or friends)

- 나야. (to younger people or friends)

<존칭/존댓말/높임말/경어(honorific)>

- 저네요. (honourific by ‘-요’)

- 저예요. (honourific by ‘-요’)

- 저입니다. (honourific by ‘-요’)

[explanations]

* 나 : I; me (non-honourific word to the younger or friend)

* 저 : I; me (honourific word to the elder person)

* 이다 : be

* 저예요 : 저 + 이(the stem of 이다; 이 + -에 contracted into 예) + -에(a declarative verb ending suffix; -어 changed inot 에 for easy pronunciation) + -요(an honourific ending suffix)

* 저입니다 : 저 + 이(the stem of 이다) + -ㅂ니다(an honourific descriptive verb ending suffix)

* a noun + -(이)다 / -(이)네 / -(이)야 / -인데 : a non-honourific descriptive form of 이다

* a noun + -(이)네 / -인데 + -요 : an honourific verb ending suffix

* a noun + -이에요 / -예요 / -입니다 : an honourific descriptive form of 이다 by ‘-요’ / ‘-ㅂ'

* -이에요 : this is used after a word ends in a consonant

ex) 생각뿐이에요 : I think of you only

* -예요 : : this is used after a word ends in a vowel

ex) 바다예요 : this is the sea

* 누구 : who

* 누구시죠? : a short form of 누구시지요?

* 누구시지요? 누구 + -시(a suffix makes a word more honourific) + -지?(an interrogative verb ending suffix) + -요(an honourific ending suffix)

* 내 : a short form of 나의

* 제 : a short form of 저의

* 나 : I; me (non-honourific word to the younger or friend)

* 저 : I; me (honourific word to the elder person)

* -의 : a suffix makes 나 / 저 possesive

* 목 : neck

* 소리 : sound

* 목소리 : a voice; a tone (of voice)

* 못 : do not; can't

* 알다 : know

* 듣다 : listen

* 알아듣다 : recognize <--알(the stem of 알다) + -아(a connective suffix between two verbs) + 듣다

* 알아듣겠어? : 알아듣(the stem of 알아듣다) + -겠(listener's conjecture) + -어?(an interrogative verb ending suffix)