| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [to-vb] been [verb] | 2880 |
|
| 2 | [to-vb] [verb] [det] | 1891 |
|
| 3 | been [verb] [det] | 1812 |
|
| 4 | [to-vb] been [det] | 82 |
|
