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This page pertains to UD version 2.

Treebank Statistics: UD_English: POS Tags: AUX

There are 37 AUX lemmas (0%), 75 AUX types (0%) and 15358 AUX tokens (6%). Out of 17 observed tags, the rank of AUX is: 14 in number of lemmas, 13 in number of types and 9 in number of tokens.

The 10 most frequent AUX lemmas: be, have, will, do, can, would, could, should, may, might

The 10 most frequent AUX types: is, was, be, are, will, can, would, have, do, has

The 10 most frequent ambiguous lemmas: be (AUX 8539, VERB 952, NOUN 2, X 1), have (VERB 1672, AUX 1570), will (AUX 1262, NOUN 6, PROPN 1, SCONJ 1), do (AUX 1135, VERB 669, NOUN 2, ADV 1, PROPN 1), can (AUX 877, NOUN 7, VERB 3), would (AUX 798, X 1), may (AUX 226, PROPN 1), must (AUX 76, NOUN 3), get (VERB 744, AUX 41), `s (AUX 9, PART 1)

The 10 most frequent ambiguous types: is (AUX 2374, VERB 367, ADV 1, PRON 1), was (AUX 1339, VERB 128), be (AUX 1278, VERB 83, NOUN 2, X 1), are (AUX 1191, VERB 174), will (AUX 982, NOUN 6, PROPN 1, SCONJ 1), can (AUX 716, NOUN 6), have (VERB 940, AUX 720), do (AUX 576, VERB 331, NOUN 2, ADP 1, ADV 1, PROPN 1), has (AUX 436, VERB 210), were (AUX 422, VERB 47, ADV 5)

Morphology

The form / lemma ratio of AUX is 2.027027 (the average of all parts of speech is 1.176027).

The 1st highest number of forms (19) was observed with the lemma “be”: ‘m, ‘re, ‘s, ai, am, are, be, been, being, is, m, r, re, s, was, were, ´m, ’m, ’s.

The 2nd highest number of forms (11) was observed with the lemma “have”: ‘d, ‘s, ‘ve, had, has, have, having, v, ve, ’s, ’ve.

The 3rd highest number of forms (5) was observed with the lemma “will”: ‘ll, ll, will, wilt, wo.

AUX occurs with 5 features: VerbForm (15358; 100% instances), Tense (9563; 62% instances), Mood (9298; 61% instances), Number (5215; 34% instances), Person (5212; 34% instances)

AUX occurs with 11 feature-value pairs: Mood=Imp, Mood=Ind, Number=Sing, Person=1, Person=3, Tense=Past, Tense=Pres, VerbForm=Fin, VerbForm=Ger, VerbForm=Inf, VerbForm=Part

AUX occurs with 12 feature combinations. The most frequent feature combination is VerbForm=Fin (4052 tokens). Examples: is, will, can, would, was, are, could, do, should, have

Relations

AUX nodes are attached to their parents using 15 different relations: aux (8049; 52% instances), cop (5613; 37% instances), aux:pass (1594; 10% instances), advcl (36; 0% instances), root (18; 0% instances), acl:relcl (17; 0% instances), conj (13; 0% instances), ccomp (8; 0% instances), parataxis (4; 0% instances), appos (1; 0% instances), compound (1; 0% instances), mark (1; 0% instances), obl (1; 0% instances), reparandum (1; 0% instances), xcomp (1; 0% instances)

Parents of AUX nodes belong to 14 different parts of speech: VERB (8919; 58% instances), ADJ (3227; 21% instances), NOUN (2211; 14% instances), ADV (367; 2% instances), PROPN (221; 1% instances), PRON (200; 1% instances), NUM (103; 1% instances), DET (25; 0% instances), ADP (24; 0% instances), SYM (23; 0% instances), (18; 0% instances), AUX (13; 0% instances), X (5; 0% instances), INTJ (2; 0% instances)

15255 (99%) AUX nodes are leaves.

22 (0%) AUX nodes have one child.

36 (0%) AUX nodes have two children.

45 (0%) AUX nodes have three or more children.

The highest child degree of a AUX node is 8.

Children of AUX nodes are attached using 21 different relations: nsubj (87; 32% instances), mark (42; 16% instances), advmod (32; 12% instances), punct (30; 11% instances), advcl (12; 4% instances), cc (12; 4% instances), conj (11; 4% instances), aux (6; 2% instances), obl (6; 2% instances), xcomp (6; 2% instances), obj (5; 2% instances), ccomp (3; 1% instances), det (3; 1% instances), parataxis (3; 1% instances), case (2; 1% instances), discourse (2; 1% instances), expl (2; 1% instances), nsubj:pass (2; 1% instances), obl:tmod (2; 1% instances), fixed (1; 0% instances), goeswith (1; 0% instances)

Children of AUX nodes belong to 16 different parts of speech: PRON (80; 30% instances), SCONJ (37; 14% instances), PUNCT (31; 11% instances), ADV (26; 10% instances), VERB (26; 10% instances), NOUN (19; 7% instances), PART (15; 6% instances), CCONJ (11; 4% instances), AUX (7; 3% instances), ADJ (4; 1% instances), DET (4; 1% instances), PROPN (4; 1% instances), ADP (2; 1% instances), INTJ (2; 1% instances), NUM (1; 0% instances), X (1; 0% instances)