| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb pp] at [art] time | 805 |
|
| 2 | [vb past] [vb pp] at [art] | 676 |
|
| 3 | [vb past] at [art] time | 397 |
|
| 4 | [vb past] [vb pp] [art] time | 61 |
|
