| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | could [vb infin] been [art] [noun] of | 45 |
|
| 2 | could [vb infin] been [art] [noun] of | 45 |
|
| 3 | could have been [art] [noun] of | 45 |
|
| 4 | could [vb infin] been [art] [noun] of | 45 |
|
| 5 | could [vb infin] been [art] [noun sg] of | 43 |
|
| 6 | could [vb infin] been the [noun] of | 29 |
|
| 7 | could [vb infin] been the [noun] of | 29 |
|
| 8 | could [vb infin] been a [noun] of | 14 |
|
| 9 | could [vb infin] been a [noun] of | 13 |
|
