He warned water levels could still rise.
1	He	he	PRON	PRP	Case=Nom|Gender=Masc|Number=Sing|Person=3|PronType=Prs	2	nsubj	2:nsubj	_
2	warned	warn	VERB	VBD	Mood=Ind|Number=Sing|Person=3|Tense=Past|VerbForm=Fin	0	root	0:root	_
3	water	water	NOUN	NN	Number=Sing	4	compound	4:compound	_
4	levels	level	NOUN	NNS	Number=Plur	7	nsubj	7:nsubj	_
5	could	could	AUX	MD	VerbForm=Fin	7	aux	7:aux	_
6	still	still	ADV	RB	_	7	advmod	7:advmod	_
7	rise	rise	VERB	VB	VerbForm=Inf	2	ccomp	2:ccomp	SpaceAfter=No
8	.	.	PUNCT	.	_	2	punct	2:punct	_
