Let's learn about "내가 그랬어?"

내가 그랬어? : Did I?

[other expressions]

- 내가 그랬니? (to younger people or friends)

- 내가 그랬나? (to younger people or friends)

- 내가 그랬냐? (to younger people or friends)

- 내가 그랬어? (to younger people or friends)

- 내가 그랬는가? (to younger people or friends)

- 제가 그랬나요? (honourific by ‘-요’)

- 제가 그랬어요? (honourific by ‘-요’)

- 제가 그랬는가요? (honourific by ‘-요’)

- 제가 그랬습니까? (formal; honourific by ‘-ㅂ’)

[explanations]

* 내 : I (non-honourific word)

* 제 : I (honourific word)

* -가 : a particle makes 내 / 제 the topic of the sentence after a word ends in a vowel

* 그렇다 / 그러하다 : be such; do such

* 그랬다 : past tense of present perfect of 그렇다 by '-었-'

* 그랬어? : 그랬(the stem of 그랬다) + -어?(a non-honourific interrogative verb ending suffix)

* 그랬는가? : 그랬(the stem of 그랬다) + -ㄴ가?(a non-honourific interrogative verb ending suffix)

* 그랬습니까? : 그랬(the stem of 그랬다) + -스(a suffix makes a verb more honourific) + -ㅂ니까?(an  honourific interrogative verb ending suffix)

* a verb + -니? / -나? / -냐? / -ㄴ가? / -는가 / -어? : a non-honourific interrogative verb ending suffix

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

* a verb + -ㅂ니까? / -습니까? / -셨습니까? : an honourific interrgative verb ending suffix by ‘-ㅂ-‘ / '스'