| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb pp] at [art] time | 805 |
|
| 2 | been [vb pp] at [art] | 720 |
|
| 3 | been [vb pp] [art] time | 8 |
|
| 4 | been at [art] time | 5 |
|
