| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [adv] [vb pp] at the time | 144 |
|
| 2 | were [adv] [vb pp] at the | 92 |
|
| 3 | were [vb pp] at the time | 54 |
|
| 4 | were [adv] at the time | 14 |
|
