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