| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | could not be [verb] | 1911 |
|
| 2 | [modal v] not be ignore | 152 |
|
| 3 | could [adv] be ignore | 47 |
|
| 4 | could not be ignore | 38 |
|
| 5 | could [not/n't] be ignore | 38 |
|
| 6 | could not [be] ignore | 36 |
|
