1) Moved methods isWord into StringUtility class. Moved its test cases into StringUtilityTest class. 2) Moved methods getRoot, getSingularPluralPair, getSingularPluralPairHelper into WordFormUtility class. Moved their test cases, and the test cases of methods getNumberHelper1, getNumberHelper2, getPluralRuleHelper into WordFormUtilityTest class. 3) Fully tested method getHeuristicsNouns. In UnsupervisedClauseMarkup class, deleted all the old code which has been moved to WordFormUnility class.