| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | to have been [verb] a | 29 |
|
| 2 | [to-vb] been [vb pp] a | 21 |
|
| 3 | [to-vb] been [v-ing] a | 8 |
|
| 4 | [to-vb] been give a | 7 |
|
| 5 | [to-vb] been given a | 7 |
|
