He is grieving for his son.
1	He	he	PRON	PERS-P3SG-NOM	Case=Nom|Gender=Masc|Number=Sing|Person=3|PronType=Prs	3	nsubj	_	_
2	is	be	AUX	PRES-AUX	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	3	aux	_	_
3	grieving	grieve	VERB	ING	Tense=Pres|VerbForm=Part	0	root	_	_
4	for	for	ADP	_	_	6	case	_	_
5	his	he	PRON	P3SG-GEN	Gender=Masc|Number=Sing|Person=3|Poss=Yes|PronType=Prs	6	nmod:poss	_	_
6	son	son	NOUN	SG-NOM	Number=Sing	3	obl	_	SpaceAfter=No
7	.	.	PUNCT	Period	_	3	punct	_	_
