| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | could [verb] [be] [verb] [prep] [noun] | 125 |
|
| 2 | could [verb] [be] [verb] [prep] [noun] | 125 |
|
| 3 | [modal v] [verb] [be] [verb] for [noun] | 66 |
|
| 4 | could [verb] [be] [verb] for [noun] | 14 |
|
