Roleset shop.01 Verbnet Class: 1 "look for something to buy":

Roles:

Arg0:shopper


Arg1:thing sought


Arg4:benefactive

Examples:

intransitive (-)
The number of people who said they were more likely *trace* to shop at Sears...
Arg0:	*trace* -> they
REL:	shop
ArgM-LOC:	at Sears




all args (-)
John, the hopeless romantic, was shopping for a new vacuum cleaner for his girlfriend.
Arg0:	John, the hopeless romantic,
REL:	shopping
Arg1-for:	a new vacuum cleaner
Arg4-for:	his girlfriend

Why do I pick on John so?

Roleset shop.02 Verbnet Class: NONE "try to sell":

Roles:

Arg0:Seller


Arg1:Thing Sold


Arg2:Buyer


Arg3:Price Paid


Arg4:Benefactive

Examples:

with commodity and buyer (-)
Some think Columbia's thrift, which now is seeking a new chief operating officer, might be capitalized at, say $300 million, and shopped *trace* to a commercial bank that wants a California presence.
ArgM-MOD:	might
REL:	shopped
Arg1:	*trace* -> Columbia's thrift, which now is seeking a new chief operating officer,
Arg2-to:	a commercial bank that wants a California presence

This usage is totally alien to me, but WSJ seems quite fond of it. I don't know if args 3, 4 will appear.