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.