| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [pron] [vb past] to | 35468 |
|
| 2 | [pron] once [vb past] | 1189 |
|
| 3 | once [vb past] to | 127 |
|
| 4 | [pron] once to | 6 |
|
