| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [verb] [pron] be [v-ing] on | 726 |
|
| 2 | [verb] what be [v-ing] [adv] | 717 |
|
| 3 | [verb] what [be] [v-ing] on | 652 |
|
| 4 | [verb] what be [verb] on | 652 |
|
