Let's learn about “~거야” ending suffix usage

1) “~거야” : a suffix shows a probability or a guess or speculation after a future tense of a verb. this is contracted from “것”(thing) + 이(to be) + 야(a suffix indicates a guess or probability or speculation)

* “거” is a colloquial form of “것”(thing”
* “거다” is made from “거”(thing) + “다”(a descriptive ending suffix of a verb)
* “것이다” is made from “것”(thing) + “이다”(a ending verb suffix means “be” verb)

“~거예요” is a winsome form of “~거야” <— 거(thing) + 이다(be; ‘다’ erased) + 에(a suffix indicate a guess) + 요(a winsome suffix)

(1) 너의 연구는 열매를 맺을 거야. : Your study will bear fruit.

* 너의 : your <— 너(you) +

(2) 보기보다 어렵지는 않을 거야.  : Maybe it's not as hard as it looks.

(3) 이건 절대 안 끝날 거야.  : This is never going to end.

2) “~거야” : a imperative question suffix ask someone to answer or do something with a little forcifully manner

(1) 안 할거야 ? 왜 안해 ? 왜 안하니 ? 제발 좀 해라 ! : Aren’t you going to do it ? Why don’t you do it ? please do it.

* 안 : a prefix makes a verb negative expression means “not”, “can’t” etc
* 왜 : why
* 안하다 : don’t do <— 안(not) + 하다(do)
* 안하니 : don’t do ? <— 안(not) + 하다(do) + 니(a imperative question suffix to the younger or the same age)
* 안해 ? : Aren’t you going to do ? Don’t you do ? <— 안(not) + 하다(do) + 어/아(a imperative question suffix to the younger or the same age with a little forciful mannner) * “해” of “안해?” is contracted from “하” + “어”
* 안해 : I don’t do it. I am not doing it <— 안(not) + 하다(do) + 어/어(a suffix show my decision/will/intention to the younger or the same age)
* 제발 : please
* 좀 : (1) a short form of “조금”(a little, a few) (2) a word intensify some word/sentence after it
* 조금 : a little; a few
* 해라 : do it <— 하다(do) + 라(a imperative suffix to the younger or the same age)