| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | whether [coord] [adv] an | 38 |
|
| 2 | whether [coord] [not/n't] an | 37 |
|
| 3 | whether [coord] not an | 37 |
|
| 4 | whether [coord] not an | 37 |
|
| 5 | whether or [adv] an | 37 |
|
