| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [verb] what [be] [v-ing] | 1705 |
|
| 2 | what [be] [v-ing] on | 1659 |
|
| 3 | [verb] [be] [v-ing] on | 420 |
|
| 4 | [verb] what [be] on | 21 |
|
