The PennTreebank POS tagset

1.CC  Coordinating conjunction(并列连词)     25.TO to
2.CD  Cardinal number(基数)                  26.UH  Interjection(感叹词)
3.DT  Determiner(限定词)                     27.VB  Verb, base form(动词原形)
4.EX  Existential there(存在词)                            28.VBDVerb, past tense(动词过去式)
5. FW  Foreign word(外来词)                   29.VBGVerb, gerund/present participle(动词现在分词)
6. IN  Preposition/subord.(介词)              30.VBN Verb, past participle(动词过去分词)
218z     conjunction
7. JJ  Adjective(形容词)                      31.VBPVerb, non-3rd ps. sing. present(非第三人称动词)
8. JJR Adjective, comparative(形容词比较级)   32.VBZ Verb, 3rd ps. sing. present(第三人称动词)
9. JJS Adjective, superlative(形容词最高级)   33.WDT wh-determiner(athat,that,which)
10.LS  List item marker(括号内的数量词)       34.WP wh-pronoun(what,who)
11.MD  Modal(can,may,could,might)             35.WP  Possessive wh-pronoun()
12.NN  Noun, singular or mass                 36.WRBwh-adverb(where,when,how,whereby,why)
13.NNS Noun, plural(名词复数)                 37.#  Pound sign()
14.NNP Proper noun, singular(专有名词单数)    38. $ Dollar sign()
15.NNPS Proper noun, plural(专有名词单数)     39. . Sentence-final punctuation()
16.PDT Predeterminer(前限定词)                       40.,  Comma()
17.POS Possessiveending()                    41. :  Colon,semi-colon()
18.PRP Personal pronoun(人称代词)                    42.(  Left bracket character()
19.PP  Possessive pronoun(所有格代名词)       43. ) Right bracket character()
20.RB  Adverb(副词)                                  44. " Straight double quote()
21.RBR Adverb, comparative(比较级副词)               45. `  Left open single quote()
22.RBS Adverb, superlative(最高级副词)               46. "  Left open double quote()
23.RP  Particle(小品词,up,out,off)            47.'  Right close single quote()
24.SYM Symbol()                               48. "  Rightclose double quote()
  Table 3:

The Penn Treebank syntactictagset
 Tags
 1.  ADJP    Adjective phrase(形形容词短语)
2.  ADVP    Adverb phrase(副词短语)
3.  NP      Noun phrase(名词短语)
4.  PP      Prepositional phrase(介词短语)
5.  S       Simple declarative clause(简单陈述子句)
6.  SBAR    Clause introduced by subordinating conjunction or(被从属连词or引导的子句)
             0 (see below)
7.  SBARQ   Direct question introduced by wh-word or wh-phrase(直接疑问句)
8.  SINV    Declarative sentence with subject-aux inversion()
9.  SQ      Subconstituent of SBARQ excluding wh-word or wh-phrase()
10. VP       Verb phrase(动词短语)
11. WHADVP   Wh-adverb phrase()
12. WHNP     Wh-noun phrase()
13. WHPP     Wh-prepositional phrase()
14. X        Constituent of unknown or uncertaincategory()
 Null elements
 1.  *       ``Understood'' subject of infinitive or imperative
2.  0       Zero variant of that in subordinate clauses
3.  T       Trace---marks position where moved wh-constituent
              is interpreted
4.  NIL     Marks position where preposition is interpreted in
             pied-pipingcontexts