Era obrigada a usar máscara .
1	Era	ser	AUX	V	Mood=Ind|Number=Sing|Person=3|Tense=Imp	2	cop	_	_
2	obrigada	obrigar,obrigado	VERB	PPA	Gender=Fem|Number=Sing	0	root	_	_
3	a	a	ADP	PREP	_	4	case	_	_
4	usar	usar	VERB	INF	VerbForm=Inf	2	dep	_	_
5	máscara	máscara	NOUN	CN	Gender=Fem|Number=Sing	4	obj	_	_
6	.	.	PUNCT	PNT	_	2	punct	_	_
