| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb infin] [to-vb] been [prep] | 17 |
|
| 2 | [vb infin] to have been [prep] | 17 |
|
| 3 | [vb infin] [to-vb] been in | 12 |
|
| 4 | [vb infin] [to-vb] been in | 12 |
|
| 5 | seem [to-vb] been [prep] | 10 |
|
