| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | have been [v-ing] on for some | 15 |
|
| 2 | have been [v-ing] on [prep] some | 15 |
|
| 3 | have been [v-ing] on [prep] some | 15 |
|
| 4 | have been going on [prep] some | 13 |
|
| 5 | had been [v-ing] on [prep] some | 7 |
|
| 6 | has been [v-ing] on [prep] some | 5 |
|
