| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | have been [vb pp] at the | 485 |
|
| 2 | been [vb pp] at the time | 60 |
|
| 3 | have [vb pp] at the time | 43 |
|
| 4 | have been [vb pp] at time | 9 |
|
| 5 | have been at the time | 5 |
|
