NLP：pattern库应用_pattern库 nlp

from pattern.en import conjugate, PRESENT, INFINITIVE, PAST, FUTURE, SG, PLURAL, PROGRESSIVE
vb_word = "be"
print(conjugate(vb_word, tense=PRESENT, person=1, number=SG))
print(conjugate(vb_word, tense=PRESENT, person=2, number=SG))
print(conjugate(vb_word, tense=PRESENT, person=3, number=SG))
print(conjugate(vb_word, tense=PRESENT, number=PLURAL))
print(conjugate(vb_word, tense=PRESENT, aspect=PROGRESSIVE))
print(conjugate(vb_word, tense=INFINITIVE))
print(conjugate(vb_word, tense=PAST, aspect=PROGRESSIVE))

tense：时态

person：n—第n人称

number：主语的单复数（个数）

aspect：语态（+ed、+ing）

以下为源码解释：

https://github.com/clips/pattern/blob/53245196139c6ef26dc9c34873dda8a16f236d23/examples/03-en/01-inflect.py

# The conjugate() function inflects a verb to another tense.
# You can supply:
# - tense : INFINITIVE, PRESENT, PAST,
# - person: 1, 2, 3 or None,
# - number: SINGULAR, PLURAL,
# - mood  : INDICATIVE, IMPERATIVE,
# - aspect: IMPERFECTIVE, PROGRESSIVE.
# The tense can also be given as an abbreviated alias, e.g.,
# inf, 1sg, 2sg, 3sg, pl, part, 1sgp, 2sgp, 3sgp, ppl, ppart.
from pattern.en import PRESENT, SINGULAR
print(conjugate("being", tense=PRESENT, person=1, number=SINGULAR, negated=False))
print(conjugate("being", tense="1sg", negated=False))
print("")