| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | to have been [vb pp] [prep] | 1532 |
|
| 2 | seems to have [vb pp] [prep] | 265 |
|
| 3 | seems to have been [vb pp] | 262 |
|
| 4 | seems to have been [prep] | 30 |
|
