Predicate 
thrash:
Frames file for 'thrash' based on sentences in wsj and automatic
expansion via verbnet.
Roleset thrash.01 Verbnet Class: 1 "beat up thoroughly":
Roles:
Arg0:agent, hitter - animate only!
Arg1:thing hit
Arg2:instrument, thing hit by or with
Examples:
| just transitive (-) | 
|---|
person: ns
tense: ns
aspect: ns
voice: ns
form: infinitive
| Even more important, in our view, was the Treasury's threat
 *trace* to thrash the dollar.
 
 | 
| Arg0: | *trace* ->  the Treasury's | 
| REL: | thrash | 
| Arg1: | the dollar | 
| agentive subject (-) | 
|---|
| Mary thrashed John with a series of stale marshmallows.
 
 | 
| Arg0: | Mary | 
| REL: | thrashed | 
| Arg1: | John | 
| Arg2-with: | a series of stale marshmallows | 
Roleset thrash.03 Verbnet Class: NONE "move violently and randomly":
Roles:
Examples:
| thrash around (-) | 
|---|
person: ns
tense: present
aspect: progressive
voice: active
form: full
| ``They're thrashing around for diversification,'' he says.
 
 | 
| Arg1: | They | 
| REL: | thrashing | 
| ArgM: | around | 
| ArgM-PNC: | for diversification | 
This seems semi-phrasal, but the particle changes (around, about, etc).
Predicate 
thrash_out:
Roleset thrash.02 Verbnet Class: NONE "work out, arrange":
Roles:
Arg0:arranger
Arg1:scheme
Arg2:collaborator
Examples:
| just transitive (-) | 
|---|
person: ns
tense: ns
aspect: ns
voice: ns
form: infinitive
| So far, neither the Bush administration nor arms-control experts
 in Congress seem moved by arguments that these problems may take
 more time *trace* *trace* to thrash *trace* out than President
 Bush has allowed.
 
 | 
| Arg0: | *trace* | 
| REL: | [ thrash] [ out] | 
| Arg1: | *trace* -> *trace* ->  these problems |