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
WRB Wh-adverb
e.g. how, where why

Punctuation Tags