| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [verb] [modal v] [not/n't] be [vb pp] | 204 |
|
| 2 | [verb] [vb mod] [not/n't] be [vb pp] | 204 |
|
| 3 | [verb] could [adv] be [vb pp] | 55 |
|
| 4 | [verb] could [not/n't] be [verb] | 25 |
|
| 5 | [verb] could [not/n't] [be] [vb pp] | 24 |
|
| 6 | [verb] could [not/n't] be [vb pp] | 24 |
|
| 7 | [verb] could [not/n't] be [vb pp] | 24 |
|
| 8 | [verb] could [not/n't] [be] [vb pp] | 24 |
|
