| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | could [be] [vb pp] [verb] [adj] | 99 |
|
| 2 | could [be] [verb] in [adj] | 88 |
|
| 3 | could [be] [vb pp] in [adj] | 87 |
|
| 4 | [be] [vb pp] [verb] in [adj] | 51 |
|
| 5 | could [be] [vb pp] [verb] in | 38 |
|
