| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | be [adv] [verb] at that time | 12 |
|
| 2 | [be] [adv] [vb pp] at that time | 11 |
|
| 3 | [was/were] [adv] [verb] at that time | 8 |
|
| 4 | was [adv] [verb] at that time | 7 |
|
