| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [pron] had once [verb] to [noun] | 8 |
|
| 2 | [Wh det] had once [verb] to [noun] | 6 |
|
| 3 | which had once [verb] to [noun] | 5 |
|
| 4 | which had once [verb] to [noun] | 5 |
|
| 5 | had once [verb] to [art] [noun] | 6 |
|
| 6 | had once [verb] to [art] [noun] | 6 |
|
| 7 | had once [verb] to [noun] [noun] | 5 |
|
| 8 | had once [verb] to [noun prp] [noun] | 5 |
|
| 9 | had once [verb] to [pron] [noun] | 5 |
|
| 10 | had once [verb] to [pos pn] [noun] | 5 |
|
| 11 | had once [verb] to [noun] [noun] | 5 |
|
