| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | been [vb pp] for some time | 64 |
|
| 2 | had been [vb pp] for some | 31 |
|
| 3 | had [vb pp] for some time | 19 |
|
| 4 | had been [vb pp] some time | 9 |
|
| 5 | had been for some time | 5 |
|
