| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [prep] a [noun] the | 1569 |
|
| 2 | once [prep] a [noun] | 401 |
|
| 3 | once a [noun] the | 12 |
|
| 4 | once [prep] [noun] the | 11 |
|
