| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [pron] [was/were] once [prep] a | 6 |
|
| 2 | [was/were] once [verb] [prep] a | 43 |
|
| 3 | [was/were] once [vb pp] [prep] a | 41 |
|
| 4 | [was/were] once [noun] [prep] a | 7 |
|
| 5 | [was/were] once [noun sg] [prep] a | 6 |
|
| 6 | [was/were] once part [prep] a | 6 |
|
| 7 | [was/were] once part [prep] a | 6 |
|
| 8 | [was/were] once [prep] a [noun] | 8 |
|
| 9 | [was/were] once [prep] a [noun sg] | 8 |
|
