| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [modal v] [verb] been a [noun] | 947 |
|
| 2 | [modal v] [verb] a [det] [noun] | 351 |
|
| 3 | [modal v] [verb] been [det] [noun] | 173 |
|
| 4 | [verb] been a [det] [noun] | 41 |
|
| 5 | [modal v] [verb] been a [det] | 7 |
|
