The main thing is to keep practicing.
1	The	the	DET	DT	Definite=Def|PronType=Art	3	det	3:det	_
2	main	main	ADJ	JJ	Degree=Pos	3	amod	3:amod	_
3	thing	thing	NOUN	NN	Number=Sing	6	nsubj:outer	6:nsubj:outer	_
4	is	be	AUX	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	6	cop	6:cop	_
5	to	to	PART	TO	_	6	mark	6:mark	_
6	keep	keep	VERB	VB	VerbForm=Inf	0	root	0:root	_
7	practicing	practice	VERB	VBG	VerbForm=Ger	6	xcomp	6:xcomp	SpaceAfter=No
8	.	.	PUNCT	.	_	6	punct	6:punct	_
