| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | be [vb pp] [adv] at the | 168 |
|
| 2 | be [vb pp] at the time | 60 |
|
| 3 | [vb pp] [adv] at the time | 46 |
|
| 4 | be [adv] at the time | 7 |
|
