| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | have been [v-ing] on his [noun] | 15 |
|
| 2 | [verb] been [v-ing] on his [noun] | 15 |
|
| 3 | [vb past] been [v-ing] on his [noun] | 11 |
|
| 4 | had been [v-ing] on his [noun] | 9 |
|
