I have to decline the invitation with regrets.
1	I	I	PRON	PRP	Case=Nom|Number=Sing|Person=1|PronType=Prs	2	nsubj	2:nsubj|4:nsubj:xsubj	_
2	have	have	VERB	VBP	Mood=Ind|Number=Sing|Person=1|Tense=Pres|VerbForm=Fin	0	root	0:root	_
3	to	to	PART	TO	_	4	mark	4:mark	_
4	decline	decline	VERB	VB	VerbForm=Inf	2	xcomp	2:xcomp	_
5	the	the	DET	DT	Definite=Def|PronType=Art	6	det	6:det	_
6	invitation	invitation	NOUN	NN	Number=Sing	4	obj	4:obj	_
7	with	with	ADP	IN	_	8	case	8:case	_
8	regrets	regret	NOUN	NNS	Number=Plur	4	obl	4:obl:with	SpaceAfter=No
9	.	.	PUNCT	.	_	2	punct	2:punct	_
