| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [adv] [prep] a [noun] [adj] | 573 |
|
| 2 | once [prep] [art] [noun] [adj] | 15 |
|
| 3 | once [prep] [art] [noun] [adj] | 15 |
|
| 4 | once [prep] a [noun] [adj] | 10 |
|
