Let's learn about "주문할게요"

주문할게요 : I would like to order

[other expressions]

- 주문할게요. (honourific by '-요')

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

- 주문 드릴게요. (honourific by '-요')

- 주문 드리겠습니다. (formal; more honourific by '스')

[explanations]

* 내 : I (non-honourific word)

* 제 : I (honourific word)

* -가 : a particle makes 내 / 가 subjective after a word ends in a vowel; -가 is used to emphasize 내 / 가 stronger

* 주문 : (1) [呪文] a magic formula [chanting]; an incantation; a conjuration; a spell; a charm; a curse (2) [注文] an order; ordering; an indent; a request; a wish

* 주문하다 : order (a thing) from; give (a person) an order for (a thing); place an order with (a person); indent for (goods)

* 주다 : give (non-honourific word)

* 드리다 : give (honourific word)

* 주문(을) 드리다 : an honourific form of 주문하다

* 주문할게요 : 주문하(the stem of 주문하다) + -ㄹ(a suffix makes a verb future tense) + -게(one's will) + -요(an honourific verb ending suffix)

* 주문하겠습니다 : 주문하(the stem of 주문하다) + -겠(one's will) + -스(a suffix makes a verb more honourific) + -ㅂ니다(an honourific descriptive verb ending suffix)

* 드릴게요 : 드리(the stem of 드리다) + -ㄹ(a suffix makes a verb future tense) + -게(one's will) + -요(an honourific verb ending suffix)

* 드리겠습니다 : 드리(the stem of 드리다) + -겠(one's will) + -스(a suffix makes a verb more honourific) + -ㅂ니다(an honourific descriptive verb ending suffix)

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