| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [verb] [be] [vb pp] at | 1741 |
|
| 2 | [be] [vb pp] at time | 36 |
|
| 3 | [verb] [be] [vb pp] time | 13 |
|
| 4 | [verb] [vb pp] at time | 10 |
|
