| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [was/were] [vb pp] at the | 1890 |
|
| 2 | [vb pp] at the time | 656 |
|
| 3 | [was/were] at the time | 102 |
|
| 4 | [was/were] [vb pp] the time | 5 |
|
