| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [Wh det] have be [v-ing] on | 80 |
|
| 2 | [Wh det] [verb] been [v-ing] on | 80 |
|
| 3 | [Wh det] [verb] be [v-ing] on | 80 |
|
| 4 | [Wh det] [verb] be going on | 75 |
|
| 5 | what [verb] be [v-ing] on | 57 |
|
| 6 | [Wh det] [vb -s] be [v-ing] on | 54 |
|
| 7 | [Wh det] 's be [v-ing] on | 30 |
|
| 8 | [Wh det] has be [v-ing] on | 24 |
|
| 9 | which [verb] be [v-ing] on | 23 |
|
| 10 | [Wh det] [vb past] be [v-ing] on | 22 |
|
| 11 | [Wh det] had be [v-ing] on | 22 |
|
