| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb pp] to have been [vb pp] [adj] | 20 |
|
| 2 | [vb pp] to have been [verb] [adj] | 18 |
|
| 3 | reported to have been [verb] [adj] | 8 |
|
| 4 | believed to have been [verb] [adj] | 6 |
|
| 5 | [vb pp] to have been [v-ing] [adj] | 6 |
|
