Let's learn about "다음에 사세요"

다음에 사세요 : Why don’t you get me next time?; You can treat/get me next time; You can pay for me next time; Next meal is on you

[other expressions]

- 다음에 사. (to younger people or friends)

- 다음에 사라. (to younger people or friends)

- 다음에 살래. (to younger people or friends)

- 다음에 사요. (honourific by ‘-요’)

- 다음에 살래요. (honourific by ‘-요’)

- 다음에 사실래요. (honourific by ‘-요’)

- 같이 계산해 주세요. (more honourific by ‘시’)

- 다음에 사셔요. (more honourific by ‘시’)

- 다음에 사시지요. (more honourific by ‘시’)

- 다음에 사시죠. (more honourific by ‘시’; -시죠 is a short form of -시지요)

- 다음에 사십시오. (formal; more honourific by ‘시’)

- 다음에 사시겠어요. (more honourific by ‘시’)

- 다음에 사시겠습니까. (more honourific by ‘시’)

[explanations]

* 다음 : (1) [=어떤 차례의 바로 뒤, 어떤 시간이 지난 뒤] (the) next, the following (2) [as the form of '~아닌 다음에야'] 

- 다음 기회로 미루다 : hold[postpone] sth over till next time

- 바보가 아닌 다음에야 누가 그런 짓을 하겠어요? : You would have to be a complete moron to pull a stunt like that

* 바보가 아닌 다음에야 = 바보가 아닌데도 : Even though you're not a fool

* -에 : a time suffix

* 사다 : (1) buy (2) treat in the sentence

* 사 : 사(the stem of  사다; 사 + -아 contracted into 사) + -아(a non-honourific propositive verb ending suffix means "Please  ~")

* 사라 : 사(the stem of  사다; 사 + -아 contracted into 사) + -아라(a non-honourific propositive verb ending suffix means "Please ~")

* 살래 : 사(the stem of  사다) + -ㄹ(a suffix makes a verb future tense) + -래(a non-honourific propositive verb ending suffix means "Please ~")

* 살래요 : 사(the stem of  사다) + -ㄹ(a suffix makes a verb future tense) + -래(a propositive verb ending suffix means "Please ~") + -요(an honourific verb ending suffix)

* 사세요 : 사(the stem of  사다) + -시(a suffix makes a verb more honourific) + -어(a propositive verb ending suffix means "Please ~") + -요(an honourific verb ending suffix)

* 사셔요 : 사(the stem of  사다) + -시(a suffix makes a verb more honourific) + -여(a propositive verb ending suffix means "Please ~") + -요(an honourific verb ending suffix)

* 사실래요 : 사(the stem of  사다) + -시(a suffix makes a verb more honourific) + -ㄹ(a suffix makes a verb future tense) + -래(a propositive verb ending suffix means "Please ~") + -요(an honourific verb ending suffix)

* 사십시오 : 사(the stem of  사다) + -시(a suffix makes a verb more honourific) + -ㅂ시오(an honourific propositive verb ending suffix means "Please ~")

* 사시겠어요 : 사(the stem of  사다) + -시(a suffix makes a verb more honourific) + -겠(a suffix asks rhe listener's will) + -어(a propositive verb ending suffix means "Please ~") + -요(an honourific verb ending suffix)

* 사시겠습니까 : 사(the stem of  사다) + -시(a suffix makes a verb more honourific) + -겠(a suffix asks rhe listener's will) + -스(a suffix makes a verb more honourific) + -ㅂ니까(an honourific propositive verb ending suffix means "Please ~")

* a verb + -아 / -아라 / -ㄹ래 : a non-honourific imperative or propositive verb ending suffix means "Please ~"

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

* a verb + -세요 / -셔요 / -실래요 / -십시오 / -ㅂ시오 / -시겠어요 / -시겠습니까 : an honourific imperative or propositive verb ending suffix means "Please ~”