| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb past] [vb pp] some time | 36 |
|
| 2 | [vb past] been [vb pp] some | 31 |
|
| 3 | been [vb pp] some time | 14 |
|
| 4 | [vb past] been some time | 6 |
|
