| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [verb] to have been [verb] [noun prp] | 7 |
|
| 2 | [verb] have been [v-ing] [noun prp] | 6 |
|
| 3 | [vb pp] have been [verb] [noun prp] | 5 |
|
