| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | have been [vb pp] at some | 22 |
|
| 2 | have been [vb pp] some time | 13 |
|
| 3 | have [vb pp] at some time | 10 |
|
| 4 | been [vb pp] at some time | 10 |
|
