| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it could [not/n't] be [adj] | 24 |
|
| 2 | it could [not/n't] [be] [adj] | 24 |
|
| 3 | it could n't [be] [adj] | 13 |
|
| 4 | it could not [be] [adj] | 11 |
|
| 5 | it could [not/n't] [be] true | 10 |
|
