| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [adv] been [vb pp] [prep] [det] | 352 |
|
| 2 | to have been [vb pp] [prep] [det] | 88 |
|
| 3 | [adv] to have been [vb pp] [prep] | 46 |
|
| 4 | [adv] to have [vb pp] [prep] [det] | 6 |
|
