| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [verb] [been] [v-ing] on [noun] | 98 |
|
| 2 | [Wh det] [verb] [been] [v-ing] [noun] | 41 |
|
| 3 | [Wh det] [verb] [been] [v-ing] on | 18 |
|
| 4 | [Wh det] [verb] [been] on [noun] | 11 |
|
