Let's learn about "너 자취하니?"

너 자취하니? : Do you live alone?

[other expressions]

- 너 자취하니? (to younger people or friends)

- 너 자취하나? (to younger people or friends)

- 너 자취하냐? (to younger people or friends)

- 너 자취해? (to younger people or friends)

- 선배! 자취하나요? (honourific by ‘-요’)

- 선배! 자취해요? (honourific by ‘-요’)

- 선배! 자취합니까? (honourific by ‘-ㅂ’)

- 선배! 자취하세요? (formal; more honourific by ‘시’)

- 선배! 자취하셔요? (formal; more honourific by ‘시’)

- 선배! 자취하십니까? (formal; more honourific by ‘시’)

- 너 자취하고 있니? (to younger people or friends)

- 너 자취하고 있나? (to younger people or friends)

- 너 자취하고 있냐? (to younger people or friends)

- 너 자취하고 있어? (to younger people or friends)

- 선배! 자취하고 있나요? (honourific by ‘-요’)

- 선배! 자취하고 있어요? (honourific by ‘-요’)

- 선배! 자취하고 있습니까? (formal; more honourific by ‘스’)

- 선배! 자취하고 있으세요? (more honourific by ‘시’)

- 선배! 자취하고 있으셔요? (more honourific by ‘시’)

- 선배! 자취하고 있으십니까? (formal; more honourific by ‘시’)

[explanations]

* 너 : you (non-honourific word)

* 선배 : [先輩] a senior; a superior; an elder; a predecessor; -님 is often attached for polite

* -는 : a particle makes 너 / 선배 subjective after a word ends in a vowel; this omitted

* 자취(하다) : cook for oneself; board oneself

* 자취해? : 자취하(the stem of 자취하다; 하+ -어 contracted into 해) + -어?(a non-honourific interrogative verb ending suffix)

* 자취합니까? : 자취하(the stem of 자취하다) + -ㅂ니까?(an  honourific interrogative verb ending suffix)

* 자취하세요? : 자취하(the stem of 자취하다) + -시(a suffix makes a verb more honourific) + -어?(an interrogative verb ending suffix) + -요(an honourific ending suffix)

* 자취하셔요? : 자취하(the stem of 자취하다) + -시(a suffix makes a verb more honourific) + -여?(an interrogative verb ending suffix) + -요(an honourific ending suffix)

* 자취하십니까? : 자취하(the stem of 자취하다) + -시(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 + -세요? / -셔요? / -ㅂ니까? / -십니까? : an honourific interrgative verb ending suffix by '-요' / ‘-ㅂ-‘ / '시'

* 자취하고 : 자취하(the stem of 자취하다) + -고(a connection suffix between two verbs)

* 있다 : (1) be; exist (2) have (3) [as the form of ...고 있다] be ...ing

* -고 있다 : be doing

* 있으세요? : 있(the stem of 있다) + -으시(a suffix makes a verb more honourific) + -어?(an interrogative verb ending suffix) + -요(an honourific ending suffix)

* 있으셔요? : 있(the stem of 있다) + -으시(a suffix makes a verb more honourific) + -여?(an interrogative verb ending suffix) + -요(an honourific ending suffix)

* 있습니까? : 있(the stem of 있다) + -스(a suffix makes a verb more honourific) + -ㅂ니까?(an  honourific interrogative verb ending suffix)

* 있으십니까? : 있(the stem of 있다) + -으시(a suffix makes a verb more honourific) + -ㅂ니까?(an  honourific interrogative verb ending suffix)

* -ㅂ : this is used when the stem of a verb ends in a vowel like "하" --> 합니다 / 합니까?; this is less honourific than -으시-'/'-스-'/'-시-' + -ㅂ니다 or -으시-'/'-스-'/'-시-' + -ㅂ니까?

* -으시- : this is used when the stem of a verb ends in a consonant like "있"; this is more honourific than '-스-' --> 있으십니다 / 있으십니까?

* -스- : this is used when the stem of a verb ends in a consonant like "있" --> 있습니다 / 있습니까?

* -시- : this is used when the stem of a verb ends in a vowel like "하" --> 하십니다 / 하십니까?

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

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

* a verb + -으세요? / -으셔요? / -습니까? / -십니까? / -ㅂ니까? : an honourific interrgative verb ending suffix by '-요' / ‘-ㅂ-‘ / '시' / -스'