| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [noun pl] [modal v] [adv] [be] [noun] | 89 |
|
| 2 | [noun] could [adv] [be] [noun] | 30 |
|
| 3 | [noun pl] could [adv] [be] [noun] | 11 |
|
| 4 | [noun pl] could [adv] [be] [noun] | 8 |
|
