We were supposed not to notice.
1	We	we	PRON	PERS-P1PL-NOM	Case=Nom|Number=Plur|Person=1|PronType=Prs	3	nsubj:pass	_	_
2	were	be	AUX	PAST	Mood=Ind|Tense=Past|VerbForm=Fin	3	aux:pass	_	_
3	supposed	suppose	VERB	PASS	Tense=Past|VerbForm=Part|Voice=Pass	0	root	_	_
4	not	not	PART	NEG	_	6	advmod	_	_
5	to	to	PART	_	_	6	mark	_	_
6	notice	notice	VERB	INF	VerbForm=Inf	3	xcomp	_	SpaceAfter=No
7	.	.	PUNCT	Period	_	3	punct	_	_
