| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [verb] at the time | 1393 |
|
| 2 | [vb past] [verb] at the | 1172 |
|
| 3 | [vb past] at the time | 331 |
|
| 4 | [vb past] [verb] the time | 50 |
|
