| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [verb] been [vb pp] some time | 13 |
|
| 2 | have been [vb pp] some time | 13 |
|
| 3 | had been [vb pp] some time | 9 |
|
| 4 | [vb past] been [vb pp] some time | 9 |
|
