resource MicroResKor = open Prelude, HangulJamo in {
  param
    VForm = VLemma | VPresent | VPast | VAdnomial ;

  oper
    Noun : Type = {s : Str} ;
    Verb : Type = {s : VForm => Str} ;
    Verb2 : Type = Verb ;
    Adjective : Type = Verb ;

    lemmaToStem : (lemma : Str) -> Str
      = \lemma -> case lemma of {
	stem + "다" => stem ;
	_ => Predef.error ("lemmaToStem was applied to a non-lemma," ++ lemma)
      } ;

    reg : (descriptive : Bool) -> (lemma : Str) -> Verb
      = \descriptive,lemma ->
      let stem = lemmaToStem lemma ;
      in {
	s = table {
	  VLemma => lemma ;
	  VPresent => present_haeyo stem ;
	  VPast => past_haeyo stem ;
	  VAdnomial =>
	    if_then_else Str descriptive
	      (stem + vc_allomorph stem "ᆫ" "은")
	      (stem + "는")
	  }
      } ;

    regVerb : (lemma : Str) -> Verb = reg False ;
    regAdjective : (lemma : Str) -> Adjective = reg True ;
}