Let's learn about "커피 한 잔 줄까?"

커피 한 잔 줄까? : Do you want a cup of coffee?

[other expressions]

- 커피 한 잔  줄까? (to younger people or friends)

- 커피 한 잔  줄까요? (honourific by ‘-요’; to younger people or friends)

- 커피 한 잔  드릴까요? (formal; honourific by ‘-요’)

- 커피 한 잔  마실래? (to younger people or friends)

- 커피 한 잔  마실래요? (honourific by ‘-요’; to younger people or friends)

- 커피 한 잔  마시겠어요? (honourific by ‘-요’; to younger people or friends)

- 커피 한 잔  마시겠습니까? (formal; more honourific by ‘-스’)

- 커피 한 잔  먹을래? (to younger people or friends)

- 커피 한 잔  먹을래요? (honourific by ‘-요’; to younger people or friends)

[explanations]

* 커피 : coffee

* 한 : one

* 잔 : cup

* 한 잔 : a cup of ~

* 주다 : give

* 드리다 : an honourific form of 주다 to the elderly

* 줄까? : 주(the stem of 주다) + -ㄹ(a suffix makes a verb future tense) + -까?(a non-honourific interrogative verb ending suffix)

* 줄까요? : 주(the stem of 주다) + -ㄹ(a suffix makes a verb future tense) + -까?(an interrogative verb ending suffix) + -요(an honourific verb ending suffix)

* 드릴까요? : 드리(the stem of 드리다) + -ㄹ(a suffix makes a verb future tense) + -까?(an interrogative verb ending suffix) + -요(an honourific verb ending suffix)

* a verb + -ㄹ까? : a non-honourific propositive verb ending suffix

* a verb + -ㄹ까? + -요 : an honourific propositive verb ending suffix

* 마시다 : drink

* 마실래? : 마시(the stem of 마시다) + -ㄹ(a suffix makes a verb future tense) + -래?(a non-honourific propositive verb ending suffix)

* 마실래요? : 마시(the stem of 마시다) + -ㄹ(a suffix makes a verb future tense) + -래?(a propositive verb ending suffix) + -요(an honourific verb ending suffix)

* 마시겠어요? : 마시(the stem of 마시다) + -겠(a listener’s will) + -어?(an propositive verb ending suffix) + -요(an honourific verb ending suffix)

* 마시겠습니까? : 마시(the stem of 마시다) + -겠(a listener’s will) + -스(a suffix makes a verb more honourific) + -ㅂ니까?(an honourific propositive verb ending suffix)

* a verb + -ㄹ래? : a non-honourific propositive verb ending suffix

* a verb + -ㄹ래? + -요 : : an honourific propositive verb ending suffix

* a verb + -겠어요? / -겠습니까? : an honourific propositive verb ending suffix

* 먹다 : (1) eat (2) drink in the sentence

* 먹을래? : 먹(the stem of 먹다) + -ㄹ(a suffix makes a verb future tense) + -래?(a non-honourific propositive verb ending suffix)

* 먹을래요? : 먹(the stem of 먹다) + -ㄹ(a suffix makes a verb future tense) + -래?(a propositive verb ending suffix) + -요(an honourific verb ending suffix)

* a verb + -ㄹ래? : a non-honourific propositive verb ending suffix

* a verb + -ㄹ래? + -요 : : an honourific propositive verb ending suffix