| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | could be [verb] to be [adj] | 31 |
|
| 2 | could be [vb pp] [prep] be [adj] | 30 |
|
| 3 | could be said [prep] be [adj] | 20 |
|
| 4 | could be say [prep] be [adj] | 20 |
|
