def getConstantSentenceForms(cls, sentenceForms, dependencyGraph):
""" generated source for method getConstantSentenceForms """
augmentedGraph = augmentGraphWithLanguageRules(dependencyGraph, sentenceForms)
changingSentenceForms = DependencyGraphs.getMatchingAndDownstream(sentenceForms, augmentedGraph, Predicates.or_(SentenceForms.TRUE_PRED, SentenceForms.DOES_PRED))
return ImmutableSet.copyOf(Sets.difference(sentenceForms, changingSentenceForms))
