| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | have been [vb pp] [prep] some | 41 |
|
| 2 | [vb infin] been [vb pp] by some | 18 |
|
| 3 | [vb infin] been [vb pp] in some | 10 |
|
| 4 | [vb infin] been [vb pp] for some | 6 |
|
