| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | been [v-ing] for some [noun] | 80 |
|
| 2 | been [v-ing] on for [noun] | 30 |
|
| 3 | [v-ing] on for some [noun] | 20 |
|
| 4 | been [v-ing] on for some | 18 |
|
