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This page pertains to UD version 2.

Treebank Statistics: UD_English-PUD: POS Tags: AUX

There are 12 AUX lemmas (0%), 36 AUX types (1%) and 1014 AUX tokens (5%). Out of 17 observed tags, the rank of AUX is: 13 in number of lemmas, 9 in number of types and 9 in number of tokens.

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

The 10 most frequent AUX types: was, is, are, be, were, has, had, been, have, would

The 10 most frequent ambiguous lemmas: be (AUX 651, VERB 49), have (AUX 165, VERB 65), will (AUX 42, VERB 1), do (AUX 32, VERB 16), get (VERB 14, AUX 2)

The 10 most frequent ambiguous types: was (AUX 180, VERB 8), is (AUX 159, VERB 13, ADP 2), are (AUX 72, VERB 13), be (AUX 72, VERB 1), were (AUX 70, VERB 7), has (AUX 58, VERB 15), had (AUX 53, VERB 13), been (AUX 49, VERB 3), have (AUX 45, VERB 35), will (AUX 39, VERB 1)

Morphology

The form / lemma ratio of AUX is 3.000000 (the average of all parts of speech is 1.138338).

The 1st highest number of forms (13) was observed with the lemma “be”: ‘m, ‘s, am, are, be, been, being, is, was, were, ’m, ’re, ’s.

The 2nd highest number of forms (7) was observed with the lemma “have”: ‘ve, had, has, have, having, ’s, ’ve.

The 3rd highest number of forms (3) was observed with the lemma “do”: did, do, does.

AUX occurs with 5 features: VerbForm (1014; 100% instances), Tense (747; 74% instances), Mood (698; 69% instances), Number (435; 43% instances), Person (435; 43% instances)

AUX occurs with 10 feature-value pairs: Mood=Ind, Number=Sing, Person=1, Person=3, Tense=Past, Tense=Pres, VerbForm=Fin, VerbForm=Ger, VerbForm=Inf, VerbForm=Part

AUX occurs with 9 feature combinations. The most frequent feature combination is Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin (252 tokens). Examples: is, has, ‘s, ’s, does

Relations

AUX nodes are attached to their parents using 8 different relations: aux (410; 40% instances), cop (316; 31% instances), aux:pass (274; 27% instances), root (6; 1% instances), acl:relcl (3; 0% instances), ccomp (3; 0% instances), advcl (1; 0% instances), conj (1; 0% instances)

Parents of AUX nodes belong to 13 different parts of speech: VERB (651; 64% instances), ADJ (152; 15% instances), NOUN (152; 15% instances), PROPN (17; 2% instances), PRON (10; 1% instances), ADV (8; 1% instances), NUM (7; 1% instances), (6; 1% instances), AUX (5; 0% instances), SYM (3; 0% instances), ADP (1; 0% instances), DET (1; 0% instances), X (1; 0% instances)

1000 (99%) AUX nodes are leaves.

0 (0%) AUX nodes have one child.

1 (0%) AUX nodes have two children.

13 (1%) AUX nodes have three or more children.

The highest child degree of a AUX node is 10.

Children of AUX nodes are attached using 12 different relations: punct (19; 29% instances), nsubj (13; 20% instances), obl (8; 12% instances), expl (5; 8% instances), advmod (4; 6% instances), aux (4; 6% instances), advcl (3; 5% instances), parataxis (3; 5% instances), cc (2; 3% instances), mark (2; 3% instances), ccomp (1; 2% instances), obj (1; 2% instances)

Children of AUX nodes belong to 11 different parts of speech: PUNCT (19; 29% instances), NOUN (18; 28% instances), PRON (7; 11% instances), AUX (5; 8% instances), VERB (5; 8% instances), ADV (4; 6% instances), CCONJ (2; 3% instances), SCONJ (2; 3% instances), ADJ (1; 2% instances), DET (1; 2% instances), PROPN (1; 2% instances)