Heavily armed police have been trying to impose a form of martial law to stem outbreaks of looting.
1	Heavily	heavily	ADV	RB	_	2	advmod	2:advmod	_
2	armed	armed	ADJ	JJ	Degree=Pos	3	amod	3:amod	_
3	police	police	NOUN	NNS	Number=Plur	6	nsubj	6:nsubj|8:nsubj:xsubj	_
4	have	have	AUX	VBP	Mood=Ind|Number=Plur|Person=3|Tense=Pres|VerbForm=Fin	6	aux	6:aux	_
5	been	be	AUX	VBN	Tense=Past|VerbForm=Part	6	aux	6:aux	_
6	trying	try	VERB	VBG	Tense=Pres|VerbForm=Part	0	root	0:root	_
7	to	to	PART	TO	_	8	mark	8:mark	_
8	impose	impose	VERB	VB	VerbForm=Inf	6	xcomp	6:xcomp	_
9	a	a	DET	DT	Definite=Ind|PronType=Art	10	det	10:det	_
10	form	form	NOUN	NN	Number=Sing	8	obj	8:obj	_
11	of	of	ADP	IN	_	13	case	13:case	_
12	martial	martial	ADJ	JJ	Degree=Pos	13	amod	13:amod	_
13	law	law	NOUN	NN	Number=Sing	10	nmod	10:nmod:of	_
14	to	to	PART	TO	_	15	mark	15:mark	_
15	stem	stem	VERB	VB	VerbForm=Inf	8	advcl	8:advcl:to	_
16	outbreaks	outbreak	NOUN	NNS	Number=Plur	15	obj	15:obj	_
17	of	of	ADP	IN	_	18	case	18:case	_
18	looting	looting	NOUN	NN	Number=Sing	16	nmod	16:nmod:of	SpaceAfter=No
19	.	.	PUNCT	.	_	6	punct	6:punct	_
