| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [verb] [vb pp] [adv] at the | 103 |
|
| 2 | [verb] [adv] at the time | 70 |
|
| 3 | [verb] [vb pp] at the time | 47 |
|
| 4 | [vb pp] [adv] at the time | 20 |
|
