| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | been [verb] [prep] | 65865 |
|
| 2 | [to-vb] [verb] [prep] | 7376 |
|
| 3 | [to-vb] been [verb] | 2880 |
|
| 4 | [to-vb] been [prep] | 289 |
|
