| CC |
Coordinating conjunction 连接词 |
| CD |
Cardinal number 基数词 |
| DT |
Determiner 限定词（如this,that,these,those,such)不定限定词：(no,some,any,each,every,enough,either,neither,all,both,half,several,many,much,(a) few,(a) little,other,another.) |
| EX |
Existential there 存在句 |
| FW |
Foreign word 外来词 |
| IN |
Preposition or subordinating conjunction 介词或从属连词 |
| JJ |
Adjective 形容词或序数词 |
| JJR |
Adjective, comparative 形容词比较级 |
| JJS |
Adjective, superlative 形容词最高级 |
| LS |
List item marker 列表标示 |
| MD |
Modal 情态助动词 |
| NN |
Noun, singular or mass 常用名词 单数形式 |
| NNS |
Noun, plural 常用名词 复数形式 |
| NNP |
Proper noun, singular 专有名词，单数形式 |
| NNPS |
Proper noun, plural 专有名词，复数形式 |
| PDT |
Predeterminer 前位限定词 |
| POS |
Possessive ending 所有格结束词 |
| PRP |
Personal pronoun 人称代词 |
| PRP$ |
Possessive pronoun 所有格代名词 |
| RB |
Adverb 副词 |
| RBR |
Adverb, comparative 副词比较级 |
| RBS |
Adverb, superlative 副词最高级 |
| RP |
Particle 小品词 |
| SYM |
Symbol 符号 |
| TO |
to 作为介词或不定式格式 |
| UH |
Interjection 感叹词 |
| VB |
Verb, base form 动词基本形式 |
| VBD |
Verb, past tense 动词过去式 |
| VBG |
Verb, gerund or present participle 动名词和现在分词 |
| VBN |
Verb, past participle 过去分词 |
| VBP |
Verb, non-3rd person singular present 动词非第三人称单数 |
| VBZ |
Verb, 3rd person singular present 动词第三人称单数 |
| WDT |
Wh-determiner 限定词（如关系限定词：whose,which.疑问限定词：what,which,whose.） |
| WP |
Wh-pronoun 代词（who whose which） |
| WP$ |
Possessive wh-pronoun 所有格代词 |
| WRB |
Wh-adverb 疑问代词（how where when） |
