| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | what [vb mod] not be [vb pp] be | 8 |
|
| 2 | what [vb mod] [not/n't] be [vb pp] be | 8 |
|
| 3 | what can [not/n't] be [vb pp] be | 6 |
|
| 4 | what [vb mod] [not/n't] be [vb pp] is | 5 |
|
