Let's learn about "오랜만이다"

너무 오랜만이에요 : It's been so long

[other expressions]

- 너무 오랜만이다. (to younger people or friends)

- 너무 오랜만이네. (to younger people or friends)

- 너무 오랜만이야. (to younger people or friends)

- 너무 오랜만이군! (to younger people or friends)

- 너무 오랜만이구나! (to younger people or friends)

- 너무 오랜만이네요. (honourific by '-요')

- 너무 오랜만이에요. (honourific by '-요')

- 너무 오랜만이군요! (honourific by '-요')

- 너무 오랜만입니다. (formal; honourific by '-ㅂ')

[explanations]

* 오랜 : long, old, long-time

- 오랜 친구 : an old friend

* -만 : (1) only; merely (2) as much as; as many as (3) worth (4) at least (5) as ... as

* 오랜만 : long time no see

* 이다 : be

* 오랜만입니다 : 오랜만+ 이(the stem of 이다) + -ㅂ니다(an honourific descriptive verb ending suffix by '-ㅂ')

* a noun + -이다 / -이네 / -이야 : a non-honourific descriptive form of 이다

* a noun + -이군! / -이구나!: a non-honourific exclamatory form of 이다

* a noun + -이네 / -이군! + -요 : an honourific verb ending suffix

* a noun + -입니다 : an honourific descriptive form of 이다 suffix by '스' / '-ㅂ'