Let's learn about "나가서 먹자"

나가서 먹자 : Let's eat out

ex)

A. 오늘 뭐 먹지? : What should we eat today?

B. 먹을 거도 별로 없는데, 우리 나가서 먹자 : We don't have much to eat either, so let's go out and eat

[other expressions]

- 나가서 먹자. (to younger people or friends)

- 나가서 먹어. (to younger people or friends)

- 나가서 먹지. (to younger people or friends)

- 나가서 먹어요. (honourific by ‘요’)

- 나가서 먹지요. (more honourific by ‘시’)

- 나가서 먹죠. (more honourific by ‘시’; -죠 is a short form of -지요)

- 나가서 먹읍시다. (formal; more honourific by ‘시’)

- 나가서 드시지요. (more honourific by ‘시’)

- 나가서 드시죠. (more honourific by ‘시’; -으시죠 is a short form of -으시지요)

- 나가서 드십시다. (formal; more honourific by ‘시’)

[explanations]

* 우리 : we (non-honourific word)

* 저희 : we (honourific word)

* 나가다 : go out <-- 나다(move out) + 가다(go)

* 나가서 : 나가(the stem of 나가다; 가 + -아 contracted into 가) + -아서(and then)

* -아서 / -어서 : a suffix meaning that the word becomes the condition, means, reason, etc. of the following words

- 과일을 씻어서 먹다 : wash and eat fruit

- 물이 깊어서 못 건너겠다 : The water is too deep to cross

- 고기를 잡아서 구워 먹었다 : I caught a fish and grilled it

- 산이 너무 높아서 오를 엄두가 안 난다 : The mountain is so high that I don't dare to climb it

* 먹다 : eat (non-honourific word)

* 드시다 : eat (honourific word)

* 먹자 : 먹(the stem of  먹다) + -자(a non-honourific propositive verb ending suffix means "Let's ~")

* 먹지요 : 먹(the stem of  먹다)  + -지(a propositive verb ending suffix means "Let's ~") + -요(an honourific verb ending suffix)

* 먹읍시다 : 먹(the stem of  먹다) + -읍시다(a propositive honourific verb ending suffix means "Let's ~")

* 드시시지요 : 드시(the stem of  드시다) + -시(a suffix makes a verb more honourific) + -지(a propositive verb ending suffix means "Let's ~") + -요(an honourific verb ending suffix)

* 드십시다 : 드시(the stem of  드시다) + -시(a suffix makes a verb more honourific) + -ㅂ시다(a propositive honourific verb ending suffix means "Let's ~")

* a verb + -자 / -어 / -지 : a non-honourific propositive verb ending suffix means "Let's ~"

* a verb + -어 + -요 : an honourific verb ending suffix)

* a verb + -ㅂ시다 / -시지요 / -시죠 / -시지요 / -시죠 / -읍시다 : an honourific propositive verb ending suffix means "Let's ~" by '-요' / '-ㅂ'