"Lunch will be serve" or "Lunch will be served"? They will serve lunch. = Lunch will be served (past participle) (by them). The latter is correct.

Will serve as meaning?

serve as someone or something. to act in the capacity of someone or something. I served as the mayor's assistant for a number of years. This brick will not serve as a doorstop.

What kind of verb is serve?

[transitive, intransitive] to give someone food or drink, for example at a restaurant or during a meal serve (something) Breakfast is served between 7 and 10 a.m. Pour the sauce over the pasta and serve immediately.