| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [v-ing] [prep] what [pron] | 440 |
|
| 2 | [v-ing] [prep] what [pron] | 439 |
|
| 3 | [verb] on what [pron] | 411 |
|
| 4 | [v-ing] on [pron] [pron] | 112 |
|
| 5 | [v-ing] on what [pron] | 68 |
|
