We should know as much as we can.
1	We	we	PRON	PRP	Case=Nom|Number=Plur|Person=1|PronType=Prs	3	nsubj	3:nsubj	_
2	should	should	AUX	MD	VerbForm=Fin	3	aux	3:aux	_
3	know	know	VERB	VB	VerbForm=Inf	0	root	0:root	_
4	as	as	ADV	RB	_	5	advmod	5:advmod	_
5	much	much	ADJ	JJ	Degree=Pos	3	obj	3:obj	_
6	as	as	SCONJ	IN	_	8	mark	8:mark	_
7	we	we	PRON	PRP	Case=Nom|Number=Plur|Person=1|PronType=Prs	8	nsubj	8:nsubj	_
8	can	can	AUX	MD	VerbForm=Fin	5	advcl	5:advcl:as	SpaceAfter=No
9	.	.	PUNCT	.	_	3	punct	3:punct	_
