class cnoun_as_adv
{
    %% time nominals act as adverbs
%%    <: cnoun;
    %% desc.ht = value([arg0: @emptyarg_fs,arg1: @emptyarg_fs,arg2: @emptyarg_fs]);
    node N2: [cat: N2, id:time_mod, type: subst];
    node(N2).top.time = value(~ -);
    - s_modifier; N2 = Modifier; node(Foot).dummy.cat = value(adv);
    %% arto is not clearly defined
    %% in some case, there is no det with arto
    N2 +
        node(N2).top.sat = value(+),
        node(N2).top.time = value(artf|arto)
        |
        node(N2).top.sat = value(-),
        node(N2).top.time = value(artf|arti)
        ;
}