Let's learn about "왜 이렇게 잘해?"

왜 이렇게 잘해? = 너 엄청 잘한다 : Why are you so good? / Good job

[other expressions]

- 왜 이렇게 잘하니? (to the younger people or friendly)

- 왜 이렇게 잘하나? (to the younger people or friendly)

- 왜 이렇게 잘하냐? (to the younger people or friendly)

- 왜 이렇게 잘해? (to the younger people or friendly)

- 왜 이렇게 잘하는데? (to the younger people or friendly)

- 왜 이렇게 잘해요? (honourific by '-요')

- 왜 이렇게 잘하는데요? (honourific by '-요')

- 왜 이렇게 잘하세요? (more honourific by '시-')

- 왜 이렇게 잘하셔요? (more honourific by '시-')

- 왜 이렇게 잘하십니까? (more honourific by '시-')

- 너 엄청 잘한다. (to younger people or friends)

- 너 엄청 잘하네. (to younger people or friends)

- 너 엄청 잘해. (to younger people or friends)

- 너 엄청 잘하는군! (to younger people or friends)

- 너 엄청 잘하는구나! (to younger people or friends)

- 언니 엄청 잘하네요. (honourific by '요')

- 언니 엄청 잘해요. (honourific by '요')

- 언니 엄청 잘하는군요! (honourific by '요')

- 언니 엄청 잘합니다. (formal; honourific by '-ㅂ')

- 언니 엄청 잘하십니다. (formal; more honourific by '시')

[explanations]

* 왜 : why

* 이렇게 : like this

* 잘하다 : do well


* 잘해? : 잘하(the stem of 잘하다; 하 + -어 contracted 해) + -어?(a non-honourific interrogative  verb ending suffix)

* 잘하세요? : 잘하(the stem of 잘하다) + -시(a suffix makes a verb more honourific) + -어?(an interrogative  verb ending suffix) + -요(an honourific ending suffix)

* 잘하셔요? : 잘하(the stem of 잘하다) + -시(a suffix makes a verb more honourific) + -여?(an interrogative  verb ending suffix) + -요(an honourific ending suffix)

* 잘하십니까? : 잘하(the stem of 잘하다) + -시(a suffix makes a verb more honourific) + -ㅂ니까?(an honourific  interrogative  verb ending suffix) 


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

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

* a verb + -세요? / -셔요? / -십니까? / -ㅂ니까? : an honourific  interrogative  verb ending suffix by ‘시-‘ / ‘-ㅂ’ / ‘-요’

* 너 : you (non-honourific word)

* 언니 : a woman is a little older than you

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

* 엄청 = 매우 = 아주 = 진짜 = 진짜로 = 엄청나게 : so; too much; very

* 잘하다 : do well

* 잘해 : 잘하(the stem of 잘하다; 하 + -어 contracted 해) + -어(a non-honourific dewcriptive  verb ending suffix)

* 잘합니다 : 잘하(the stem of 잘하다) + -ㅂ니다(an honourific descriptive verb ending suffix)

* 잘하십니다 : 잘하(the stem of 잘하다) + 시(a suffix makes a verb honourific) + -ㅂ니다(an honourific descriptive verb ending suffix)

* a verb + -다 / -네 / -어 : a non-honourific descriptive verb ending suffix

* a verb + -는군! / -는구나! : a non-honourific exclamatory verb ending suffix

* a verb + -네 / -어 / -는군! + -요 : an honourific verb ending suffix

* a verb +  십니다 / -ㅂ니다 : an honourific descriptive verb ending suffix by '스-' / '-ㅂ'