| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [was/were] [vb pp] at the | 1890 |
|
| 2 | who [was/were] [vb pp] at | 92 |
|
| 3 | who [was/were] at the | 66 |
|
| 4 | who [was/were] [vb pp] the | 56 |
|
