Let's learn about "꿈이 뭐예요?"

꿈이 뭐예요? / 꿈이 뭐야? : What is your dream?

[other expressions]

- 꿈이 뭐니? = 꿈이 무엇이니? (to younger people or friends)

- 꿈이 뭐냐? = 꿈이 무엇이냐? (to younger people or friends)

- 꿈이 뭐야? = 꿈이 무엇이야? (to younger people or friends)

- 꿈이 뭔데? = 꿈이 무엇인데? (to younger people or friends)

- 꿈이 뭔데요? = 꿈이 무엇인데요? (honourific by ‘-요’)

- 꿈이 뭐예요? = 꿈이 무엇이에요? (honourific by ‘-요’)

- 꿈이 뭡니까? = 꿈이 무엇입니까? (formal; honourific by ‘-ㅂ’)

<to the elderly>

- 꿈이 어떻게 되세요 (more honourific by '-시-')

- 꿈이 어떻게 되셔요 (more honourific by '-시-')

- 꿈이 어떻게 되십니까 (more honourific by '-시-')

[explanations]

* 꿈 : dream

* -이 : a particle makes 꿈 the topic of the sentence after a word ends in a vowel

* 뭐 : a short form of 무엇(what)

* 이다 : be

* 뭔데? : 뭐 + -ㄴ데?

* 뭡니까? : 뭐 + -ㅂ니까?

* a noun ends in a vowel + -니? / -냐? / -야? / -ㄴ데 = a noun ends in a consonant + -이니? / -이냐? / -이야? / -인데? : a non-honourific interrogative form of 이다

* a noun + -ㄴ데? / -인데? + -요 : an honourific verb ending suffix

* a noun ends in a vowel + -ㅂ니까? = a noun ends in a consonant + -입니까? : a honourific interrogative form of 이다 by ‘-ㅂ’

* 어떻게 : (1) [=어찌] how; in what way[manner]; by what means (2) [=몹시] how (much); what; so; to what extent. (3)  [어떻게든] anyway; anyhow (4) [=무엇•뭐] what in the sentence

* 되다 : (1) become (2) can; be able to do (3) be in the sentence

* 되세요? : 되(the stem of 되다) + -시(a suffix makes a verb more honourific) + -어?(an interrogative verb ending suffix) + -요(an honourific ending suffix)

* 되셔요 : 되(the stem of 되다) + -시(a suffix makes a verb more honourific) + -여?(an interrogative verb ending suffix) + -요(an honourific ending suffix)

* 됩니까? : 되(the stem of 되다) + -ㅂ니까?(an honourific interrogative ending suffix)

* a verb + -세요? / -셔요? / -ㅂ니까? : an honourific interrogative ending suffix by '-요' / '-ㅂ'