| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [be] once [verb] as a | 12 |
|
| 2 | be once [verb] as a | 12 |
|
| 3 | [was/were] once [verb] as a | 12 |
|
| 4 | was once [verb] as a | 10 |
|
| 5 | [noun] once [verb] as a | 7 |
|
| 6 | [pron] once [verb] as a | 6 |
|
| 7 | have once [verb] as a | 5 |
|
| 8 | had once [verb] as a | 5 |
|
| 9 | [vb past] once [verb] as a | 5 |
|
| 10 | [verb] once [verb] as a | 5 |
|
| 11 | once [adv] [verb] as a | 5 |
|
| 12 | once [adv] [verb] as a | 5 |
|
| 13 | once [verb] as a [noun] | 28 |
|
| 14 | once [verb] as a [noun sg] | 28 |
|
| 15 | once [verb] as a [adj] | 16 |
|
| 16 | once [verb] as a [adj] | 16 |
|
