[-tense] - không thể xác định được thì (dùng trong các non-finite)
[complex] - complex transitive verb
[ditrans] - ditransitive verb
[intens] - intensive verb
[intrans] - intransitive verb
[past] - past tense
[phrasal] - phrasal verb
[prep] - prepositional verb
[pres] - present tense
[trans] - transitive verb
A - Adjective
Adv - Adverb
AdvP - Adverb Phrase
AP - Adjective Phrase
ART - Article
AUX - Auxiliary
Comp - Complementizer
DEG - Adverb Degree
DEM - Demonstrative
DET - Determiner
M - Model
NOM - Nominal
NP - Noun Phrase
P - Preposition
PartP - Participle Phrase
PASS - Passive voice
PERF - Perfect aspect
POSS - Possessive
PP - Prepositional Phrase
PRE-DET - Pre-determiner
PRO - Pronoun
PROG - Progressive aspect
prt - part of phrasal verb
Q - Quantifier
S - Sentence
ड - S bar (question)
TENSE - Tense aspect
Vgrp - Verb group
VP - Verb Phrase