Predicate 
pile:
Frames file for 'pile' based on sentences in wsj and automatic
expansion via verbnet.
Roleset pile.01 Verbnet Class: 1 "make a pile":
Roles:
Arg0:piler
Arg1:substance being piled
Arg2:explicit mention of pile
Examples:
| all args (-) | 
|---|
person: ns
tense: past
aspect: ns
voice: active
form: full
| In 1987, KKR for the second time piled debt onto Storer's TV
 stations, selling them for $1.3 billion to a new entity that was
 45%-owned by KKR and 55%-owned by Gillett Corp., which now
 operates the SCI TV stations.
 
 | 
| ArgM-TMP: | In 1987 | 
| Arg0: | KKR | 
| ArgM-TMP: | for the second time | 
| REL: | piled | 
| Arg1: | debt | 
| Arg2-onto: | Storer's TV stations | 
| ArgM-ADV: | selling them for $1.3 billion to a new
        entity that was 45%-owned by KKR and 55%-owned by Gillett
        Corp, which now operates the SCI TV stations | 
| ergative (-) | 
|---|
person: ns
tense: present
aspect: ns
voice: active
form: full
| Now, though, enormous costs for earthquake relief will pile on top
 of outstanding costs for hurricane relief.
 
 | 
| ArgM-TMP: | Now | 
| ArgM-DIS: | though | 
| Arg1: | enormous costs for earthquake relief | 
| ArgM-MOD: | will | 
| REL: | pile | 
| Arg2-on: | top of outstanding costs for hurricane
        relief | 
Roleset pile.03 Verbnet Class: NONE "move in an untidy fashion":
Roles:
Arg1:entity in motion
Arg2:destination
Examples:
| Keystone Kops (-) | 
|---|
person: ns
tense: present
aspect: ns
voice: active
form: full
| They pile out of their truck and furiously begin twisting together
 steel pipes linking a giant storage tank to the Sharpshooter, a
 freshly drilled oil well two miles deep.
 
 | 
| Arg1: | They | 
| REL: | pile | 
| Arg2-DIR: | out of their truck | 
Predicate 
pile_up:
Roleset pile.02 Verbnet Class: NONE "make a pile":
Roles:
Examples:
| usually ergative? (-) | 
|---|
person: ns
tense: present
aspect: ns
voice: active
form: full
| In the additional time they provide even more order imbalances
 might pile up, as would-be sellers finally get their broker on the
 phone.
 
 | 
| ArgM-TMP: | In the additional time  they provide | 
| Arg1: | even more order imbalances | 
| ArgM-MOD: | might | 
| REL: | [ pile] [ up] | 
| ArgM-TMP: | as would-be sellers finally get their
        broker on the phone | 
| sometimes agentive (-) | 
|---|
person: ns
tense: present
aspect: ns
voice: active
form: full
| A celebrity guest, U.S. Ambassador to West Germany Richard Burt,
 also won a bet that someone could pile up $150 worth of quarters
 on a slanted coin.
 
 | 
| Arg0: | someone | 
| ArgM-MOD: | could | 
| REL: | [ pile] [ up] | 
| Arg1: | $150 worth of quarters | 
| Arg2-on: | a slanted coin | 
I personally would have left the "up" particle out, but whatever.
Predicate 
pile_on:
Roleset pile.04 Verbnet Class: NONE "add to a pile":
Roles:
Arg0:agent of piling
Arg1:substance being piled
Arg2:explicit mention of pile
Examples:
| agentive (-) | 
|---|
person: ns
tense: ns
aspect: progressive
voice: active
form: participle
| SCI TV, which expects to release a plan to restructure $1.3
 billion of debt in the next day or so, isn't just another LBO that
 *trace* went bad after *trace* piling on debt -- though it did do
 that.
 
 | 
| Arg0: | *trace* -> *trace* ->  that ->  just another LBO | 
| REL: | [ piling] [ on] | 
| Arg1: | debt | 
Note that 'pile on' can take several different interpretations,
depending on how the treebankers have assigned the syntax.