| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb past] been [verb] for a | 180 |
|
| 2 | who [vb past] been [verb] for | 92 |
|
| 3 | who [vb past] been [verb] a | 50 |
|
| 4 | who [vb past] [verb] for a | 31 |
|
