You have to keep trying.
1	You	you	PRON	PERS-P2	_	4	nsubj	_	_
2	have	have	AUX	PRES-AUX	Mood=Ind|Tense=Pres|VerbForm=Fin	4	aux	_	_
3	to	to	PART	_	_	4	mark	_	_
4	keep	keep	VERB	INF	VerbForm=Inf	0	root	_	_
5	trying	try	VERB	ING	Tense=Pres|VerbForm=Part	4	xcomp	_	SpaceAfter=No
6	.	.	PUNCT	Period	_	4	punct	_	_
