Let's learn about "예약하셨어요?"

예약하셨어요? : Do you have a reservation?; Did you make a reservation?

[other expressions]

- 예약했나요? (honourific by '-요')

- 예약했어요? (honourific by '-요')

- 예약했는지요? (honourific by '-요')

- 예약했는가요? (honourific by '-요')

- 예약했습니까? (formal; honourific by ‘-ㅂ’)

- 예약하셨나요? (more honourific by '-시')

- 예약하셨어요? (more honourific by '-시')

- 예약하셨는지요? (more honourific by '-시')

- 예약하셨는가요? (more honourific by '-시')

- 예약하셨습니까? (formal; honourific by ‘-ㅂ’)

[explanations]

* 예약[豫約] : preengagement; precontract; booking; reservation; subscription; a pledge; an advance sale; contract

* 예약하다 = 예약을 하다 : make a reservation

* 예약했다 : past tense of 예약하다 by '-었-'; 하 + -었 contracted into 했

* 예약하셨다 : an honourific form of 예약했다; 예약하(the stem of 예약하다) + -시(a suffix makes a verb more honourific) + -였(a suffix makes a verb past tense) + -다(a descriptive basic verb ending suffix)

* 예약하셨나요? : 예약하셨(the stem of 예약하셨다) + 나?(an interrogative verb ending suffix) + 요(an honourific ending suffix)

* 예약하셨어요? : 예약하셨(the stem of 예약하셨다) + 어?(an interrogative verb ending suffix) + 요(an honourific ending suffix)

* 예약하셨는지요? : 예약하셨(the stem of 예약하셨다) + 는지?(an interrogative verb ending suffix) + 요(an honourific ending suffix)

* 예약하셨는가요? : 예약하셨(the stem of 예약하셨다) + 는가?(an interrogative verb ending suffix) + 요(an honourific ending suffix)

* 예약하셨습니까? : 예약하셨(the stem of 예약하셨다) + -스(a suffix makes a verb more honourific) + ㅂ니까?(an honourific interrogative verb ending suffix)

* a verb + -나? / -어? / -는가? / -는지 ? : a questioning verb ending suffix

* a verb + -나? / -어? / -는가?  / -는지? + -요 : an honourific ending suffix

a verb + -습니까? / -ㅂ니까? : a questioning verb ending suffix has an honourific by ‘스-” / ‘-ㅂ’