| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb -s] been [vb pp] to | 2136 |
|
| 2 | [vb -s] since been [vb pp] | 152 |
|
| 3 | [vb -s] since [vb pp] to | 24 |
|
| 4 | since been [vb pp] to | 20 |
|
