| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it could be [vb pp] [art] [noun] | 8 |
|
| 2 | it could [be] [vb pp] [art] [noun sg] | 6 |
|
| 3 | it could [be] [vb pp] the [noun] | 5 |
|
