Tagging error for "is"

[muchang]

In the following sentence, the "is" is copulas, thus, it seems to be AUX.

# newdoc id = n01104
# sent_id = n01104011
# text = To draw a game you have dominated is easy to brush off, but to do so three times is a row suggests a weakness.
1   To  to  PART    TO  _   2   mark    2:mark  _
2   draw    draw    VERB    VB  VerbForm=Inf    9   csubj   9:csubj _
3   a   a   DET DT  Definite=Ind|PronType=Art   4   det 4:det   _
4   game    game    NOUN    NN  Number=Sing 2   obj 2:obj   _
5   you you PRON    PRP Case=Nom|Person=2|PronType=Prs  7   nsubj   7:nsubj _
6   have    have    AUX VBP Mood=Ind|Tense=Pres|VerbForm=Fin    7   aux 7:aux   _
7   dominated   dominate    VERB    VBN Tense=Past|VerbForm=Part    4   acl:relcl   4:acl:relcl _
8   is  be  AUX VBZ Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin   9   cop 9:cop   _
9   easy    easy    ADJ JJ  Degree=Pos  0   root    0:root  _
10  to  to  PART    TO  _   11  mark    11:mark _
11  brush   brush   VERB    VB  VerbForm=Inf    9   xcomp   9:xcomp _
12  off off ADP RP  _   11  compound:prt    11:compound:prt SpaceAfter=No
13  ,   ,   PUNCT   ,   _   23  punct   23:punct    _
14  but but CCONJ   CC  _   23  cc  23:cc   _
15  to  to  PART    TO  _   16  mark    16:mark _
16  do  do  VERB    VB  VerbForm=Inf    23  csubj   23:csubj    _
17  so  so  ADV RB  _   16  advmod  16:advmod   _
18  three   three   NUM CD  NumType=Card    19  nummod  19:nummod   _
19  times   time    NOUN    NNS Number=Plur 16  obl:npmod   16:obl:npmod    _
20  is  is  ADP IN  _   22  case    22:case _
21  a   a   DET DT  Definite=Ind|PronType=Art   22  det 22:det  _
22  row row NOUN    NN  Number=Sing 19  nmod    19:nmod:is  _
23  suggests    suggest VERB    VBZ Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin   9   conj    9:conj:but  _
24  a   a   DET DT  Definite=Ind|PronType=Art   25  det 25:det  _
25  weakness    weakness    NOUN    NN  Number=Sing 23  obj 23:obj  SpaceAfter=No
26  .   .   PUNCT   .   _   9   punct   9:punct _

Commit: 20bcd5e

[nschneid]

This is a typo: should be "in a row".

[muchang]

Oh, I see, then I can understand the sentence now.