| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | been [vb pp] [adv] | 15024 |
|
| 2 | [to-vb] been [vb pp] | 2673 |
|
| 3 | [to-vb] [vb pp] [adv] | 1993 |
|
| 4 | [to-vb] been [adv] | 700 |
|
