| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [adv] [vb pp] at the time | 144 |
|
| 2 | [adv] [adv] [vb pp] at the | 123 |
|
| 3 | [adv] [vb pp] at the time | 109 |
|
| 4 | [adv] [adv] at the time | 48 |
|
