| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | were [vb pp] [to-vb] | 6909 |
|
| 2 | were [vb pp] at | 2090 |
|
| 3 | [vb pp] [to-vb] at | 1030 |
|
| 4 | were [to-vb] at | 40 |
|
