| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | have been seen [prep] some | 7 |
|
| 2 | [vb -s] been seen [prep] some | 6 |
|
| 3 | has been seen [prep] some | 6 |
|
| 4 | [verb] been seen by some | 6 |
|
