| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it could [not/n't] be [vb pp] that | 22 |
|
| 2 | it could not be [verb] that | 22 |
|
| 3 | it could [not/n't] be say that | 14 |
|
| 4 | it could [not/n't] be said that | 14 |
|
