Roleset bob.01 Verbnet Class: NONE "move up and down":

Roles:

Arg0:cause of motion


Arg1:thing in motion

Examples:

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


canonical (-)
I bobbed my head each time it appeared.
Arg0:	I
REL:	bobbed
Arg1:	my head
Argm-TMP:	each time it appeared

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


ergative (-)
At the feeding station, the raffish group of cowbirds again bobbed and gobbled over the ground, but now, gorgeous among them, was a beautiful red cardinal, radiant in its feathered vestments.
Argm-LOC:	At the feeding station
Arg1:	the raffish group of cowbirds
Argm-TMP:	again
REL:	bobbed
Argm-DIR:	over the ground