Let's learn about "해냈어"

해냈어 : I made it

[other expressions]

- 해냈다. (to younger people or friends)

- 해냈네. (to younger people or friends)

- 해냈어. (to younger people or friends)

- 해냈네요. (honourific by '요')

- 해냈어요. (honourific by '요')

- 해냈습니다. (formal; more honourific by '스')

[explanations]

* 하다 : do

* 내다  : (1) put [let] out; take [bring] out; pull out; draw from [out of] (2) issue; publish; send out; start; set forth (3) emit; give out; utter; make

* 해내다 : [=이겨 내다] [this meaning is rarely used] beat; defeat; vanquish; get[gain] the better of (2) [=치러 내다] carry through[out]; succeed; complete; finish; accomplish; achieve; fulfill <-- 하다 + -어(a connection suffix) + 내다

- 레슬링에서 세 사람을 해내다 : overmatch three persons in wrestling

- 그는 주인을 말로 해냈다 : He argued his master down

- 맡은 일을 해내다 : perform the work assigned to one

- 계획한 바를 해내다 : carry through an undertaking

- 훌륭히 해내다 : make a success[fair job] of 

- 이럭저럭/그럭저럭 해내다 : manage to do (somehow)

- 어려운 역할을 그는 아주 잘 해냈다 : He fulfilled[fulfiled / carried out] his difficult role very well

- 그는 그 대사업을 멋지게 해냈다 : He accomplished [carried off]

* 해냈다 : past tense or present perfect form of 해내다 by '-었-'

* 해냈습니다 : 해냈(the stem of 해냈다) + 스(a suffix makes a verb more honourific) + -ㅂ니다(an honourific descriptive verb ending suffix)

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

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

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