META:
 IDS: ['eng','en_UK','en']
 F: frequency
 GR: grade
 T: time
 N: number
 P: person
 SEM: semantic
 TY: ..
 CAT: category
 D: ..
 C: ..
 TR: ..

F:
 0: rare
 1: sometimes
 2: often

GR:
 sa: ...
 csup: ...

T:
 pa: past
 p: present
 prp: ...
 inf: infinitive
 inf_p: personal infinitive
 pap: participle past

N:
 pa: ...
 p: plural
 _: ...
 s: singular

P:
 1: first
 2: second
 3: third

SEM:
 tc: ...
 country: country
 p: ...
 tp: ...
 cid: ...

TY:
 nir: ...
 r: ...
 ap: ...
 attr: ...
 pred: ...
 i: ...

CAT:
 cv: verb contraction
 np: proper noun
 prep: preposition
 abr: abbreviation
 in: interjection
 con: conjunctions
 pint: interrogative pronoun
 nc: common noun
 cpv: pronoun/verb contraction
 n: noun
 art: article
 cvn: verb/not contraction
 prel: relative pronoun
 v: verb
 p: pronoum
 adj: adjective
 adv: adverb

D:
 1: ...
 0: ...

C:
 1: ...
 0: ...
 _: ...

TR:
 a: ...
 _: ...
 i: ...
 t: ...