| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [noun] could [adv] be [prep] [pers pn] | 6 |
|
| 2 | [noun] could be [verb] [prep] [pers pn] | 57 |
|
| 3 | [noun] could be [vb pp] [prep] [pers pn] | 55 |
|
| 4 | [noun] could be [adj] [prep] [pers pn] | 7 |
|
