Sample Tagsets: Penn Treebank

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Penn Treebank tagset
UPenn site
(36 POS tags and 12 punctuation, etc.)
  1. CC Coordinating conjunction
  2. CD Cardinal number
  3. DT Determiner
  4. EX Existential there
  5. FW Foreign word
  6. IN Preposition/subord. conj.
  7. JJ Adjective
  8. JJR Adjective, comparative
  9. JJS Adjective, superlative
  10. LS List item marker
  11. MD Modal
  12. NN Noun, singular or mass
  1. NNS Noun, plural
  2. NNP Proper noun, singular
  3. NNPS Proper noun, plural
  4. PDT Predeterminer
  5. POS Possessive ending
  6. PRP Personal pronoun
  7. PP Possessive pronoun
  8. RB Adverb
  9. RBR Adverb, comparative
  10. RBS Adverb, superlative
  11. RP Particle
  12. SYM Symbol (math/sci)
  1. TO to
  2. UH Interjection
  3. VB Verb, base form
  4. VBD Verb, past tense
  5. VBG Verb, gerund/present participle
  6. VBN Verb, past participle
  7. VBP Verb, non-3rd ps. sing. present
  8. VBZ Verb, 3rd ps. sing. present
  9. WDT wh-determiner
  10. WP wh-pronoun
  11. WP Possessive wh-pronoun
  12. WRB wh-adverb
  1. # Pound sign
  2. $ Dollar sign
  3. . Sentence-final punctuation
  4. , Comma
  5. : Colon, semi-colon
  6. ( Left bracket character
  7. ) Right bracket character
  8. " Straight double quote
  9. ` Left open single quote
  10. " Left open double quote
  11. ' Right close single quote
  12. " Right close double quote