| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | have been [vb pp] for [det] reason | 14 |
|
| 2 | have been [vb pp] for some reason | 10 |
|
| 3 | had been [vb pp] for [det] reason | 6 |
|
| 4 | have been [vb pp] for [det] reason | 5 |
|
