| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [verb] not [vb infin] it [verb] | 618 |
|
| 2 | [verb] not [vb infin] whether it | 195 |
|
| 3 | [verb] not [vb infin] whether [verb] | 81 |
|
| 4 | not [vb infin] whether it [verb] | 32 |
|
