| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | been [vb pp] for some time | 64 |
|
| 2 | have [vb pp] for some time | 24 |
|
| 3 | have been [vb pp] for some | 17 |
|
| 4 | have been for some time | 5 |
|
