| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | be [verb] at that time | 75 |
|
| 2 | [adv] [verb] at that time | 31 |
|
| 3 | be [adv] [verb] at that | 28 |
|
| 4 | be [adv] at that time | 8 |
|
