| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [was/were] [adv] [vb pp] at the | 313 |
|
| 2 | [adv] [vb pp] at the time | 144 |
|
| 3 | [was/were] [vb pp] at the time | 141 |
|
| 4 | [was/were] [adv] at the time | 53 |
|
