| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [adv] [vb past] [prep] [noun] | 4732 |
|
| 2 | [adv] [vb past] [prep] [noun] | 4676 |
|
| 3 | once [verb] [prep] [noun] | 342 |
|
| 4 | once [vb past] [prep] [noun] | 92 |
|
