| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb infin] [been] [vb pp] on [art] | 82 |
|
| 2 | could [vb infin] [been] [vb pp] on | 27 |
|
| 3 | could [vb infin] [vb pp] on [art] | 14 |
|
| 4 | could [vb infin] [been] [vb pp] [art] | 9 |
|
