| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb pp] at [art] time | 805 |
|
| 2 | had [vb pp] at [art] | 582 |
|
| 3 | had [vb pp] [art] time | 50 |
|
| 4 | had at [art] time | 23 |
|
