| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | not [verb] what [is] [adv] [verb] | 6 |
|
| 2 | not [vb infin] what [is] [adv] [verb] | 6 |
|
| 3 | not [verb] what is [adv] [verb] | 5 |
|
| 4 | not [verb] what [is] [adv] [vb pp] | 5 |
|
