| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [noun] [vb mod] have been [v-ing] on | 13 |
|
| 2 | [noun sg] [vb mod] have been [v-ing] on | 7 |
|
| 3 | [noun] would have been [v-ing] on | 5 |
|
