I am very concerned about this issue.
1	I	I	PRON	PRP	Case=Nom|Number=Sing|Person=1|PronType=Prs	4	nsubj	4:nsubj	_
2	am	be	AUX	VBP	Mood=Ind|Number=Sing|Person=1|Tense=Pres|VerbForm=Fin	4	cop	4:cop	_
3	very	very	ADV	RB	_	4	advmod	4:advmod	_
4	concerned	concerned	ADJ	JJ	Degree=Pos	0	root	0:root	_
5	about	about	ADP	IN	_	7	case	7:case	_
6	this	this	DET	DT	Number=Sing|PronType=Dem	7	det	7:det	_
7	issue	issue	NOUN	NN	Number=Sing	4	obl	4:obl:about	SpaceAfter=No
8	.	.	PUNCT	.	_	4	punct	4:punct	_
