| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [modal v] be say to [be] | 185 |
|
| 2 | could be [verb] to [be] | 153 |
|
| 3 | could [be] say to [be] | 66 |
|
| 4 | could be say [prep] [be] | 66 |
|
