| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [adv] [vb past] of | 806 |
|
| 2 | [adv] [vb past] of | 806 |
|
| 3 | once [vb past] [prep] | 397 |
|
| 4 | once [vb past] [prep] | 397 |
|
| 5 | once [verb] of | 79 |
|
| 6 | once [vb past] of | 31 |
|
| 7 | once [vb past] of | 31 |
|
