| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [verb] once [vb pp] for [art] | 6 |
|
| 2 | have once [vb pp] for [art] | 5 |
|
| 3 | [vb past] once [vb pp] for [art] | 5 |
|
| 4 | be once [vb pp] for [art] | 5 |
|
| 5 | [was/were] once [vb pp] for [art] | 5 |
|
| 6 | [be] once [vb pp] for [art] | 5 |
|
| 7 | had once [vb pp] for [art] | 5 |
|
| 8 | once [vb pp] for [art] [noun] | 16 |
|
| 9 | once [vb pp] for [art] [noun sg] | 15 |
|
