| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [adv] been [prep] [art] | 645 |
|
| 2 | to have been [prep] [art] | 104 |
|
| 3 | [adv] to have been [art] | 22 |
|
| 4 | [adv] to have been [prep] | 15 |
|
