| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb pp] at [det] time | 520 |
|
| 2 | were [vb pp] at [det] | 98 |
|
| 3 | were at [det] time | 45 |
|
| 4 | were [vb pp] [det] time | 22 |
|
