The predicate Pos Forms is used to indicate the different parts of speech that a particular English word has associated with it. (Pos Forms WORD POS) means that the English word WORD has a form that can serve as the part of speech POS. For example, Dot-TheWord has forms for both SimpleNoun and verb. Forms of a word used for different parts of speech may or may not differ from each other in sound and/or spelling. To find out, or to specify, the string that represents a particular POS form of a specific word, use Part Of Speech.