| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | could [be] [verb] [prep] a [adj] | 371 |
|
| 2 | could [be] [verb] [prep] a [adj] | 371 |
|
| 3 | [vb mod] [be] [verb] to a [adj] | 293 |
|
| 4 | [modal v] [be] [verb] to a [adj] | 293 |
|
| 5 | could [be] [verb] to [art] [adj] | 90 |
|
| 6 | could [be] [verb] to [art] [adj] | 90 |
|
| 7 | could [be] [verb] to a [adj] | 32 |
|
| 8 | could [be] [verb] to a [adj] | 29 |
|
| 9 | could [be] [verb] to a [adj] | 29 |
|
