| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [be] [adv] [vb pp] at | 2047 |
|
| 2 | [be] [vb pp] at time | 36 |
|
| 3 | [adv] [vb pp] at time | 14 |
|
| 4 | [be] [adv] at time | 6 |
|
