| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [prep] whether [to-vb] a [noun sg] | 18 |
|
| 2 | [prep] whether [to-vb] a [noun sg] | 13 |
|
| 3 | on whether [to-vb] a [noun sg] | 5 |
|
| 4 | on whether [to-vb] a [noun sg] | 5 |
|
| 5 | [prep] whether [to-vb] an [noun sg] | 5 |
|
