| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | once [prep] a [noun] [prep] the | 6 |
|
| 2 | once [prep] a [noun] [prep] the | 6 |
|
| 3 | once [prep] a [noun] the [noun] | 7 |
|
| 4 | once [prep] a [noun] the [noun sg] | 5 |
|
