Roleset fell.01 Verbnet Class: NONE "cause to fall down":

Roles:

Arg0:causer


Arg1:faller (us. trees)

Examples:

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


active (-)
HUGO FELLED vast timberlands.
Arg0:	HUGO
REL:	FELLED
Arg1:	vast timberlands

person: ns tense: present aspect: ns voice: passive form: participle


passive (-)
Richard Secord, the retired Air Force general felled *trace* in the Iran-Contra scandal, is all but ruined -- forced to sell his Virginia home and pull his kids out of college, according to a recent fund-raising appeal sent out on his behalf.
REL:	felled
Arg1:	*trace* -> the retired Air Force general
ArgM-LOC:	in the Iran-Contra scandal

Another example of old Germanic ablaut as making a causative verb (set/sit(/seat), raise/rise being the others). Beautiful!