Let's learn about "점심은 외식하러 갈래?"

점심은 외식하러 갈래? : Let’s go out for lunch; Let’s eat out for lunch

[other expressions]

- (우리) 점심은 외식하러 가자. (to younger people or friends)

- (우리) 점심은 외식하러 가. (to younger people or friends)

- (우리) 점심은 외식하러 가지. (to younger people or friends)

- (저희) 점심은 외식하러 가요. (honourific by ‘요’)

- (저희) 점심은 외식하러 가지요. (more honourific by ‘시’)

- (저희) 점심은 외식하러 가죠. (more honourific by ‘시’; -죠 is a short form of -지요)

- (저희) 점심은 외식하러 가시죠. (more honourific by ‘시’; -으시죠 is a short form of -으시지요)

- (저희) 점심은 외식하러 갑시다. (formal; more honourific by ‘시’)

- (우리) 점심은 외식하러 갈래? (to younger people or friends)

- (저희) 점심은 외식하러 갈래요? (honourific by '요')

- (저희) 점심은 외식하러 가실래요? (more honourific by '시')

[explanations]

* 우리 : we (non-honourific word); this can be omitted

* 저희 : we (honourific word); this can be omitted

* 점심 : lunch

* -은 : a particle makes 점심 subjective after a word ends in a consonant

* 외식 : [外食] eating out

* 외식하다 : eat[dine] out; board out

- 가족을 데리고 외식하러 가다 : go to eat out with one's family

- 오늘 밤에는 외식하러 가면 어떨까? : Why don't we eat out tonight?

- 외식 산업 : the food service industry

* 외식하러 : 외식하(the stem of 외식하다) + -러(in order to do; this used after a word ends in a consonant; -러 used after a word ends in a vowel)

* (-으러/-러) 가다 : go (to do)

* -에 가다 / -으로 가다 / -로 가다 : go to somewhere

* 가자 : 가(the stem of  가다) + -자(a non-honourific propositive verb ending suffix means "Let's ~")

* 가 : 가(the stem of  가다; 가 + -아 contracted into 궈) + -어(a non-honourific propositive verb ending suffix means "Let's ~")

* 가요 : 가(the stem of  가다; 귀 + -어 contracted into 궈) + -어(a propositive verb ending suffix means "Let's ~") + -요(an honourific verb ending suffix)

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

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

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

* 갈래? : 가(the stem of 가다) + -ㄹ(a suffix makes a verb future tense) + -래?(a non-honourific imperative or propositive verb ending suffix means "DO ~ " or "please ~ ")

* 갈래요?: 가(the stem of 가다) + -ㄹ(a suffix makes a verb future tense) + -래?(a non-honourific imperative or propositive verb ending suffix means "DO ~ " or "please ~ ") + -요(an honourific  verb ending suffix)

* 가실래요?: 가(the stem of 가다; ㄹ erased before 시) + -시(a suffix makes a verb more honourific) + -ㄹ(a suffix makes a verb future tense)+ -래?(a non-honourific imperative or propositive verb ending suffix means "DO ~ " or "please ~ ") + -요(an honourific  verb ending suffix)

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

* a verb + -어 / -ㄹ래 + -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'