| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | been [v-ing] on [prep] a [noun sg] | 8 |
|
| 2 | been [v-ing] on [prep] a [noun] | 8 |
|
| 3 | been [v-ing] on [prep] a [noun] | 8 |
|
| 4 | been [v-ing] on [prep] a [noun] | 8 |
|
| 5 | been going on [prep] a [noun] | 5 |
|
| 6 | been [v-ing] on for a [noun] | 5 |
|
| 7 | been [v-ing] on for a [noun] | 5 |
|
