| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb infin] [to-vb] [Wh det] be going on | 9 |
|
| 2 | [vb infin] [to-vb] what be [v-ing] on | 9 |
|
| 3 | [vb infin] to know [Wh det] be [v-ing] on | 7 |
|
| 4 | [vb infin] [to-vb] [Wh det] 's [v-ing] on | 6 |
|
| 5 | want [to-vb] [Wh det] be [v-ing] on | 5 |
|
