private Noun GetCommonNoun(string[] text)
{
var noun = (CommonNoun)Ontology.Noun(text);
if (noun != null)
{
var singular = noun.SingularForm.SameAs(text);
if (singular && Number == Parser.Number.Plural && !noun.SingularForm.SameAs(noun.PluralForm))
{
throw new GrammaticalError($"The singular noun '{Text.Untokenize()}' was used without 'a' or 'an' before it",
$"The singular noun '<i>{Text.Untokenize()}</i>' was used without 'a' or 'an' before it");
}
if (!singular && Number == Parser.Number.Singular)
{
throw new GrammaticalError($"The plural noun '{Text.Untokenize()}' was used with 'a' or 'an'",
$"The plural noun '<i>{Text.Untokenize()}</i>' was used with 'a' or 'an' before it");
}
return(noun);
}
noun = new CommonNoun(Ontology, text);
if (!Number.HasValue)
{
// Don't know syntactically if it's supposed to be singular or plural, so guess.
Number = Inflection.NounAppearsPlural(text)
? Parser.Number.Plural
: Parser.Number.Singular;
}
if (Number == Parser.Number.Singular)
{
noun.SingularForm = text;
}
else
{
// Note: this guarantees there is a singular form.
noun.PluralForm = text;
}
Driver.Driver.AppendResponseLine($"Learned the new common noun <b><i>{noun.SingularForm.Untokenize()}</i></b>.");
Parser.MaybeLoadDefinitions(noun);
return(noun);
}
private bool VerbGerundForm(VerbSegment s)
{
s.Conjugation = VerbConjugation.Gerund;
return(Inflection.IsGerund(s.Text));
}