| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [noun pl] could be [verb] to be | 20 |
|
| 2 | [noun pl] could be [vb pp] [prep] be | 19 |
|
| 3 | [noun pl] could be say [prep] be | 7 |
|
| 4 | [noun pl] could be said [prep] be | 7 |
|
