| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | which has been [vb pp] [prep] some | 10 |
|
| 2 | [Wh det] has been [vb pp] [prep] some | 10 |
|
| 3 | [Wh det] has been [vb pp] in some | 5 |
|
| 4 | [Wh det] has been [vb pp] in some | 5 |
|
