| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | could [not/n't] [be] [verb] | 2288 |
|
| 2 | could [not/n't] [be] [vb pp] | 2250 |
|
| 3 | [vb mod] [not/n't] [be] ignored | 162 |
|
| 4 | [modal v] [not/n't] [be] ignored | 162 |
|
| 5 | could [adv] [be] ignored | 47 |
|
| 6 | could [not/n't] [be] ignored | 38 |
|
| 7 | could [not/n't] [be] ignore | 38 |
|
| 8 | could [not/n't] [be] ignored | 38 |
|
