| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [was/were] [vb pp] [to-vb] | 18707 |
|
| 2 | [was/were] [vb pp] at | 6660 |
|
| 3 | [vb pp] [to-vb] at | 1030 |
|
| 4 | [was/were] [to-vb] at | 125 |
|
