| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | been [vb pp] [adv] [prep] [det] | 383 |
|
| 2 | to have been [vb pp] [adv] [prep] | 164 |
|
| 3 | to have been [vb pp] [prep] [det] | 88 |
|
| 4 | to have [vb pp] [adv] [prep] [det] | 27 |
|
