| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [verb] be [vb pp] [verb] [adj] | 533 |
|
| 2 | could be [vb pp] [verb] [adj] | 99 |
|
| 3 | could [verb] be [vb pp] [verb] | 74 |
|
| 4 | could [verb] be [verb] [adj] | 19 |
|
| 5 | could [verb] be [vb pp] [adj] | 12 |
|
