It seemed to go on for hours.
1	It	it	PRON	PERS-SG	_	2	nsubj	_	_
2	seemed	seem	VERB	PAST	Mood=Ind|Tense=Past|VerbForm=Fin	0	root	_	_
3	to	to	PART	_	_	4	mark	_	_
4	go	go	VERB	INF	VerbForm=Inf	2	xcomp	_	_
5	on	on	ADV	_	_	4	compound:prt	_	_
6	for	for	ADP	_	_	7	case	_	_
7	hours	hour	NOUN	PL-NOM	Number=Plur	4	obl	_	SpaceAfter=No
8	.	.	PUNCT	Period	_	2	punct	_	_
