| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [was/were] [adv] at the | 327 |
|
| 2 | [adv] at the time | 326 |
|
| 3 | [was/were] at the time | 102 |
|
| 4 | [was/were] [adv] the time | 28 |
|
