Let's learn about "나중에 들를게"

나중에 들를게 = 다음에 들를게 : I'll drop by later

[other expressions]

- 나중에 들를게. (to younger people or friends)

- 나중에 들를게요. (honourific by '-요')

- 나중에 들르겠습니다. (formal; more homourific by '-스')

- 다음에 들를게. (to younger people or friends)

- 다음에 들를게요. (honourific by '-요')

- 다음에 들르겠습니다. (formal; more homourific by '-스')

[explanations]

* 나중에 = 다음에 : after; afterward; later

* 나중 : later

* 다음 : next (time)

* -에 : a time particle means "at/on/in"

* 들르다 : [르 불규칙 동사; 들르니•들러] (1) [=방문하다] call at ; step at ; drop[stop] in for a short visit (2) [=지나가다] drop in ; drop into ; look up; stop[come] by; go by (3) [a ship] call[touch / stop] at

- 서울에 오시면 저희 집에 꼭 들러 주십시오 : If you come to Seoul, please drop by my house

- 오늘 저녁에 서점을 들르니까 혹시 사고 싶은 책 있니? : I'm stopping by the bookstore this evening, so is there a book you want to buy?

[Remark] 

* 들리다 : (1) hear (2) be heard; be audible (4) reach; be said

* 들렸다 : past tense of 들리다 by '-였-'

- 잘 들립니다 : I can hear you fine

- 그녀가 사임한다는 소문이 들렸다 : Rumors of her resignation reached my ears

* 들를게요 : 들르(the stem of 들르다) + -ㄹ(a suffix makes a verb future tense) + -게(one’s will) + -요(an honourific ending suffix)

* 들르겠습니다 : 들리(the stem of 들리다) + -겠(one’s will) + -스(a suffix makes a verb more honourific) + -ㅂ니다(an honourific descriptive verb ending suffix)

* a verb + -요 / -습니다 / -ㅂ니다 : a descriptive verb ending suffix has an honourific by ‘-요’ / ‘-스'’