Here are the most important tags. See also:
M. Marcus, Beatrice Santorini and M.A. Marcinkiewicz:
Building a large annotated corpus of English: The Penn Treebank.
In Computational Linguistics, volume 19, number 2, pp313-330.
| POS Tag | Description | Example |
|---|---|---|
| CC | coordinating conjunction | and |
| CD | cardinal number | 1, third |
| DT | determiner | the |
| EX | existential there | there is |
| FW | foreign word | d'hoevre |
| IN | preposition/subordinating conjunction | in, of, like |
| JJ | adjective | green |
| JJR | adjective, comparative | greener |
| JJS | adjective, superlative | greenest |
| LS | list marker | 1) |
| MD | modal | could, will |
| NN | noun, singular or mass | table |
| NNS | noun plural | tables |
| NNP | proper noun, singular | John |
| NNPS | proper noun, plural | Vikings |
| PDT | predeterminer | both the boys |
| POS | possessive ending | friend's |
| PRP | personal pronoun | I, he, it |
| PRP$ | possessive pronoun | my, his |
| RB | adverb | however, usually, naturally, here, good |
| RBR | adverb, comparative | better |
| RBS | adverb, superlative | best |
| RP | particle | give up |
| TO | to | to go, to him |
| UH | interjection | uhhuhhuhh |
| VB | verb, base form | take |
| VBD | verb, past tense | took |
| VBG | verb, gerund/present participle | taking |
| VBN | verb, past participle | taken |
| VBP | verb, sing. present, non-3d | take |
| VBZ | verb, 3rd person sing. present | takes |
| WDT | wh-determiner | which |
| WP | wh-pronoun | who, what |
| WP$ | possessive wh-pronoun | whose |
| WRB | wh-abverb | where, when |