| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | was [adv] [art] | 20337 |
|
| 2 | was [adv] [art] | 13855 |
|
| 3 | [be] once [art] | 381 |
|
| 4 | be once [art] | 381 |
|
| 5 | [was/were] once [art] | 362 |
|
| 6 | was once [art] | 322 |
|
