| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [v-ing] [prep] whether [pron] [verb] | 46 |
|
| 2 | [v-ing] [prep] [conj] it [verb] | 19 |
|
| 3 | [verb] [prep] whether it [verb] | 19 |
|
