Let’s learn about "이해하다”

내 말 이해했어? : Are you with me?

[other expressions]

- 내 말 이해했니? (to younger people or friends)

- 내 말 이해했나? (to younger people or friends)

- 내 말 이해했냐? (to younger people or friends)

- 내 말 이했했어? (to younger people or friends)

- 내 말 이해했는가? (to younger people or friends; a little imperative)

- 내 말 이해했나요? (honourific by ‘-요’)

- 내 말 이해했어요? (honourific by ‘-요’)

- 내 말 이해했는가요? (honourific by ‘-요’; a little imperative)

- 내 말 이해했습니까? (formal; honourific by ‘-ㅂ’)

[explanations]

* 내 : I; [=나의] my in the sentence

* 말 : word

* -을 : a particle makes 말 objective after a word ends in a consonant; this omitted

* 이해 : understanding

* 이해하다 / 이해를 하다 : understand

* 이해했다 : past tense of 이해하다 by ‘-었-‘

* 이해했습니까? : 이해했(the stem of 이해했다) + -스(a suffix makes a verb more honourific) + -ㅂ니까?(an honourific interrogative verb ending suffix by ‘스’)

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

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

* a verb + -습니까? / -ㅂ니까? : an honourific interrogative verb ending suffix by ‘스’