| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [to-vb] been [verb] | 2880 |
|
| 2 | been [verb] a | 2247 |
|
| 3 | [to-vb] [verb] a | 2052 |
|
| 4 | [to-vb] been a | 404 |
|
