| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb pp] at [det] time | 451 |
|
| 2 | was [vb pp] at [det] | 161 |
|
| 3 | was at [det] time | 153 |
|
| 4 | was [vb pp] [det] time | 37 |
|
