| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | what is not [verb] is | 8 |
|
| 2 | what is not [vb pp] [be] | 8 |
|
| 3 | what is not [verb] [is] | 8 |
|
| 4 | what is not [verb] be | 8 |
|
