concrete AdjectiveIna of Adjective = CatIna ** open ResIna, Prelude in {

  lin
    
    PositA  a = {
      s = \\_ => a.s ! AAdj Posit ;
--      isPre = a.isPre -- TODO: support adjectives that can be optionally placed before.
        isPre = False
      } ;

    ComparA a np = {
      s = \\_ => a.s ! AAdj Compar ++ "que" ++ np.s ! Nom ; 
      isPre = False
      } ;

    UseComparA a = {
      s = \\_ => a.s ! AAdj Compar ;
      isPre = False
      } ;

    AdjOrd ord = {
      s = \\_ => ord.s ;
      isPre = False
      } ;

    CAdvAP ad ap np = {
      s = \\a => ad.s ++ ap.s ! a ++ ad.p ++ np.s ! Nom ; 
      isPre = False
      } ;
-- $SuperlA$ belongs to determiner syntax in $Noun$.

    ComplA2 a np = {
      s = \\_ => a.s ! AAdj Posit ++ a.c2 ++ np.s ! Acc ; 
      isPre = False
      } ;

    ReflA2 a = {
      s = \\ag => a.s ! AAdj Posit ++ a.c2 ++ reflPron ! ag ; 
      isPre = False
      } ;

    SentAP ap sc = {
      s = \\a => ap.s ! a++ sc.s ; 
      isPre = False
      } ;

    AdAP ada ap = {
      s = \\a => ada.s ++ ap.s ! a;
      isPre = ap.isPre
      } ;

    UseA2 a = {
      s = \\_ => a.s ! AAdj Posit ;
--      isPre = a.isPre -- TODO: support adjectives that can be optionally placed before.
        isPre = False
      } ;

}