| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [v-ing] [to-vb] whether [art] [noun] | 27 |
|
| 2 | [v-ing] [to-vb] whether [art] [noun sg] | 23 |
|
| 3 | [v-ing] [to-vb] whether the [noun] | 21 |
|
| 4 | [v-ing] [to-vb] whether the [noun] | 21 |
|
| 5 | trying [to-vb] whether [art] [noun] | 10 |
|
| 6 | [v-ing] to decide whether [art] [noun] | 9 |
|
| 7 | [v-ing] [to-vb] whether a [noun] | 6 |
|
