Roleset intensify.01 Verbnet Class: 1 "make more intense":

Roles:

Arg0:causer of intensity


Arg1:thing becoming intense


Arg2:instrument, if separate from agent

Examples:

person: ns tense: past aspect: ns voice: active form: full


ergative (-)
The hottest rivalry in the computer industry intensified sharply yesterday as Digital Equipment Corp. announced its first line of mainframe computers, targeting International Business Machines Corp.'s largest market.
Arg1:	The hottest rivalry in the computer industry
REL:	intensified
ArgM-MNR:	sharply
ArgM-TMP:	yesterday
ArgM-ADV:	as Digital Equipment Corp. announced its first line of mainframe computers, targeting International Business Machines Corp.'s largest market

person: ns tense: present aspect: ns voice: active form: full


agentive (-)
The collapse Friday prompted speculation that Ford would intensify its pursuit of Jaguar, which is negotiating a defensive alliance with GM.
Arg0:	Ford
ArgM-MOD:	would
REL:	intensify
Arg1:	its pursuit of Jaguar, which is negotiating a defensive alliance with GM

person: ns tense: past aspect: ns voice: active form: full


instrumental (-)
Ford Motor Co. intensified its battle with General Motors Corp. over Jaguar PLC by saying it is prepared to make a bid for all of the British auto maker when restrictions on its shareholding are lifted.
Arg0:	Ford Motor Co.
REL:	intensified
Arg1:	its battle with General Motors Corp. over Jaguar PLC
Arg2-by:	saying it is prepared to make a bid for all of the British auto maker when restrictions on its shareholding are lifted

It's possible this could take start/end points or EXT, but I doubt it.