| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb past] once [verb] [prep] | 168 |
|
| 2 | [vb past] once [vb pp] [prep] | 158 |
|
| 3 | [vb past] [adv] said [prep] | 34 |
|
| 4 | [vb past] once say [prep] | 11 |
|
| 5 | [verb] once said [prep] | 10 |
|
