| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb pp] at the time | 656 |
|
| 2 | [been] [vb pp] at the | 566 |
|
| 3 | [been] at the time | 5 |
|
| 4 | [been] [vb pp] the time | 5 |
|
