| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it could [not/n't] be [verb] [conj] | 38 |
|
| 2 | it could [not/n't] [be] [vb pp] [conj] | 38 |
|
| 3 | it could [not/n't] [be] [verb] [conj] | 38 |
|
| 4 | it could not [be] [verb] [conj] | 35 |
|
| 5 | it could [not/n't] [be] [verb] that | 22 |
|
| 6 | it could [not/n't] [be] [verb] [that] | 22 |
|
| 7 | it could [not/n't] [be] [verb] that | 22 |
|
| 8 | it could [not/n't] [be] said [conj] | 14 |
|
| 9 | it could [not/n't] [be] say [conj] | 14 |
|
| 10 | it could [not/n't] [be] [verb] [subord] | 8 |
|
| 11 | it could [not/n't] [be] [verb] [coord] | 8 |
|
