| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [verb] been [vb pp] on a | 246 |
|
| 2 | which [verb] been [vb pp] on | 116 |
|
| 3 | which [verb] been [vb pp] a | 30 |
|
| 4 | which [verb] [vb pp] on a | 6 |
|
