| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [adv] [vb infin] whether [to-vb] [pron] [prep] | 9 |
|
| 2 | [adv] [vb infin] whether [verb] [pron] [prep] | 9 |
|
| 3 | [not/n't] [vb infin] whether [verb] [pron] [prep] | 9 |
|
| 4 | not [vb infin] whether [verb] [pron] [prep] | 9 |
|
| 5 | n't [vb infin] whether [verb] [pron] [prep] | 8 |
|
| 6 | [adv] [vb infin] whether [verb] [pers pn] [prep] | 8 |
|
| 7 | [adv] know whether [verb] [pron] [prep] | 6 |
|
