| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [be] [v-ing] on [det] | 357 |
|
| 2 | what [be] [v-ing] on | 99 |
|
| 3 | what [be] [v-ing] [det] | 21 |
|
| 4 | what [be] on [det] | 15 |
|
