| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | have been [vb pp] at some time | 10 |
|
| 2 | [verb] been [vb pp] at some time | 10 |
|
| 3 | had been [vb pp] at some time | 5 |
|
| 4 | [vb past] been [vb pp] at some time | 5 |
|
| 5 | been [vb pp] at some time [prep] | 5 |
|
| 6 | been [vb pp] at some time [prep] | 5 |
|
