In all of this research, he illuminated the fundamental importance of semantics, and its role in motivating syntactic and morphological phenomena.
1	In	in	ADP	IN	_	2	case	2:case	Discourse=evaluation-comment:62->55:3
2	all	all	DET	DT	PronType=Tot	8	obl	8:obl:in	Entity=(126-abstract-acc:aggr-cf3-1-sgl|SplitAnte=95<126,115<126
3	of	of	ADP	IN	_	5	case	5:case	_
4	this	this	DET	DT	Number=Sing|PronType=Dem	5	det	5:det	_
5	research	research	NOUN	NN	Number=Sing	2	nmod	2:nmod:of	Entity=126)|SpaceAfter=No
6	,	,	PUNCT	,	_	2	punct	2:punct	_
7	he	he	PRON	PRP	Case=Nom|Gender=Masc|Number=Sing|Person=3|PronType=Prs	8	nsubj	8:nsubj	Entity=(1-person-giv:act-cf1*-1-ana-Charles_J._Fillmore)
8	illuminated	illuminate	VERB	VBD	Mood=Ind|Number=Sing|Person=3|Tense=Past|VerbForm=Fin	0	root	0:root	_
9	the	the	DET	DT	Definite=Def|PronType=Art	11	det	11:det	Entity=(127-abstract-new-cf4-3-sgl
10	fundamental	fundamental	ADJ	JJ	Degree=Pos	11	amod	11:amod	_
11	importance	importance	NOUN	NN	Number=Sing	8	obj	8:obj	_
12	of	of	ADP	IN	_	13	case	13:case	_
13	semantics	semantics	NOUN	NN	Number=Sing	11	nmod	11:nmod:of	Entity=(73-abstract-giv:inact-cf2-1-coref)127)|SpaceAfter=No
14	,	,	PUNCT	,	_	17	punct	17:punct	_
15	and	and	CCONJ	CC	_	17	cc	17:cc	_
16	its	its	PRON	PRP$	Case=Gen|Gender=Neut|Number=Sing|Person=3|Poss=Yes|PronType=Prs	17	nmod:poss	17:nmod:poss	Entity=(128-abstract-new-cf6-2-coref(73-abstract-giv:act-cf2-1-ana)
17	role	role	NOUN	NN	Number=Sing	11	conj	8:obj|11:conj:and	_
18	in	in	SCONJ	IN	_	19	mark	19:mark	Discourse=elaboration-attribute:63->62:0
19	motivating	motivate	VERB	VBG	VerbForm=Ger	17	acl	17:acl:in	_
20	syntactic	syntactic	ADJ	JJ	Degree=Pos	23	amod	23:amod	Entity=(129-abstract-new-cf5-4-sgl
21	and	and	CCONJ	CC	_	22	cc	22:cc	_
22	morphological	morphological	ADJ	JJ	Degree=Pos	20	conj	20:conj:and|23:amod	XML=<ref></ref>
23	phenomena	phenomenon	NOUN	NNS	Number=Plur	19	obj	19:obj	Entity=129)128)|SpaceAfter=No
24	.	.	PUNCT	.	_	8	punct	8:punct	_
