| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [pers pn] could [vb infin] been [det] [noun] | 11 |
|
| 2 | [pers pn] could have been [det] [noun] | 11 |
|
| 3 | [pers pn] could [verb] been [det] [noun] | 11 |
|
| 4 | [pers pn] could have been [det] [noun] | 10 |
|
| 5 | [pers pn] could [verb] been [det] [noun sg] | 10 |
|
| 6 | [pers pn] could [verb] been any [noun] | 8 |
|
| 7 | it could [verb] been [det] [noun] | 7 |
|
