Musharraf has been trying to purge his officer corps of the substantial number of al-Qaeda sympathizers.
1	Musharraf	Musharraf	PROPN	NNP	Number=Sing	4	nsubj	4:nsubj|6:nsubj:xsubj	_
2	has	have	AUX	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	4	aux	4:aux	_
3	been	be	AUX	VBN	Tense=Past|VerbForm=Part	4	aux	4:aux	_
4	trying	try	VERB	VBG	Tense=Pres|VerbForm=Part	0	root	0:root	_
5	to	to	PART	TO	_	6	mark	6:mark	_
6	purge	purge	VERB	VB	VerbForm=Inf	4	xcomp	4:xcomp	_
7	his	his	PRON	PRP$	Case=Gen|Gender=Masc|Number=Sing|Person=3|Poss=Yes|PronType=Prs	9	nmod:poss	9:nmod:poss	_
8	officer	officer	NOUN	NN	Number=Sing	9	compound	9:compound	_
9	corps	corps	NOUN	NN	Number=Sing	6	obj	6:obj	_
10	of	of	ADP	IN	_	13	case	13:case	_
11	the	the	DET	DT	Definite=Def|PronType=Art	13	det	13:det	_
12	substantial	substantial	ADJ	JJ	Degree=Pos	13	amod	13:amod	_
13	number	number	NOUN	NN	Number=Sing	6	obl	6:obl:of	_
14	of	of	ADP	IN	_	18	case	18:case	_
15	al	al	PROPN	NNP	Number=Sing	17	compound	17:compound	SpaceAfter=No
16	-	-	PUNCT	HYPH	_	17	punct	17:punct	SpaceAfter=No
17	Qaeda	Qaeda	PROPN	NNP	Number=Sing	18	compound	18:compound	_
18	sympathizers	sympathizer	NOUN	NNS	Number=Plur	13	nmod	13:nmod:of	SpaceAfter=No
19	.	.	PUNCT	.	_	4	punct	4:punct	_
