| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [verb] what [be] [v-ing] on [det] | 6 |
|
| 2 | what [pers pn] [be] [v-ing] on [det] | 6 |
|
| 3 | what [pron] [be] [v-ing] on [det] | 6 |
|
