| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [v-ing] [prep] [verb] | 13185 |
|
| 2 | [v-ing] [prep] whether | 348 |
|
| 3 | [prep] whether [verb] | 276 |
|
| 4 | [v-ing] whether [verb] | 242 |
|
