| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [verb] not [vb pp] whether [to-vb] | 8 |
|
| 2 | [verb] [adv] [vb pp] whether [to-vb] | 8 |
|
| 3 | [verb] [not/n't] [vb pp] whether [to-vb] | 8 |
|
| 4 | [verb] not [vb pp] whether [to-vb] | 5 |
|
