| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | could be [verb] to | 892 |
|
| 2 | could be [vb pp] to | 869 |
|
| 3 | [modal v] be said to | 204 |
|
| 4 | could be said [prep] | 159 |
|
| 5 | could be said [prep] | 159 |
|
| 6 | could be say to | 73 |
|
| 7 | could be said to | 72 |
|
| 8 | could [be] said to | 72 |
|
