| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [was/were] [verb] at that time | 44 |
|
| 2 | [adv] [verb] at that time | 31 |
|
| 3 | [was/were] [adv] [verb] at that | 17 |
|
| 4 | [was/were] [adv] at that time | 7 |
|
