| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [modal v] [be] a [noun] | 7484 |
|
| 2 | could [be] [art] [noun] | 1311 |
|
| 3 | could [be] [art] [noun] | 1311 |
|
| 4 | could [be] a [noun] | 698 |
|
