| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | who be [vb pp] at the | 37 |
|
| 2 | who [was/were] [vb pp] at the | 30 |
|
| 3 | who was [vb pp] at the | 19 |
|
| 4 | who were [vb pp] at the | 11 |
|
