Table 1. Comparison table of POS tags.
| Penn POS | Description | SWN POS |
|---|---|---|
| JJ | Adjective | a |
| JJR | Adjective, comparative | a |
| JJS | Adjective, superlative | a |
| RB | Adverb | r |
| RBR | Adverb, comparative | r |
| RBS | Adverb, superlative | r |
| VB | Verb, base form | v |
| VBD | Verb, past tense | v |
| VBG | Verb, gerund or present participle | v |
| VBN | Verb, past participle | v |
| VBP | Verb, non-3rd person singular present | v |
| VBZ | Verb, 3rd person singular present | v |
| NN | Noun, singular or mass | n |
| NNS | Noun, plural | n |
| NNP | Proper noun, singular | n |
| NNPS | Proper noun, plural | n |