| SVMTool | Penn Treebank Tagset |
| CC | Coordinating conjunction
e.g., and,but,or... |
| CD | Cardinal Number
|
| DT | Determiner
|
| EX | Existential there
|
| FW | Foreign Word
|
| IN | Preposision or subordinating conjunction
|
| JJ | Adjective
|
| JJR | Adjective, comparative
|
| JJS | Adjective, superlative
|
| LS | List Item Marker
|
| MD | Modal
e.g., can, could, might, may... |
| NN | Noun, singular or mass
|
| NNP | Proper Noun, singular
|
| NNPS | Proper Noun, plural
|
| NNS | Noun, plural
|
| PDT | Predeterminer
e.g., all, both ... when they precede an article |
| POS | Possessive Ending
e.g., Nouns ending in 's |
| PRP | Personal Pronoun
e.g., I, me, you, he... |
| PRP$ | Possessive Pronoun
e.g., my, your, mine, yours... |
| RB | Adverb
Most words that end in -ly as well as degree words like quite, too and very |
| RBR | Adverb, comparative
Adverbs with the comparative ending -er, with a strictly comparative meaning. |
| RBS | Adverb, superlative
|
| RP | Particle
|
| SYM | Symbol
Should be used for mathematical, scientific or technical symbols |
| TO | to
|
| UH | Interjection
e.g., uh, well, yes, my... |
| VB | Verb, base form
subsumes imperatives, infinitives and subjunctives |
| VBD | Verb, past tense
includes the conditional form of the verb to be |
| VBG | Verb, gerund or persent participle
|
| VBN | Verb, past participle
|
| VBP | Verb, non-3rd person singular present
|
| VBZ | Verb, 3rd person singular present
|
| WDT | Wh-determiner
e.g., which, and that when it is used as a relative pronoun |
| WP | Wh-pronoun
e.g., what, who, whom... |
| WP$ | Possessive wh-pronoun
e.g., whose |
| WRB | Wh-adverb
e.g., how, where why |
Punctuation Tags |
| # |
| $ |
| '' |
| ( |
| ) |
| , |
| . |
| : |
| `` |