| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [verb] [adv] what [be] [v-ing] on | 111 |
|
| 2 | [verb] [adv] [pron] [is] [v-ing] on | 79 |
|
| 3 | [verb] [adv] what [is] [v-ing] [adv] | 76 |
|
| 4 | [verb] [adv] what [is] [v-ing] [adv prt] | 74 |
|
| 5 | [verb] [adv] [Wh det] [is] [v-ing] on | 72 |
|
| 6 | [verb] [adv] what [is] [v-ing] on | 71 |
|
| 7 | [verb] [adv] what [is] [v-ing] on | 71 |
|
| 8 | [verb] [adv] what [is] [verb] on | 71 |
|
