| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [v-ing] [prep] it [verb] | 164 |
|
| 2 | [prep] whether it [verb] | 62 |
|
| 3 | [v-ing] [prep] whether it | 31 |
|
| 4 | [v-ing] whether it [verb] | 19 |
|
| 5 | [v-ing] [prep] whether [verb] | 8 |
|
