| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | have been [v-ing] it for some | 8 |
|
| 2 | [verb] been [v-ing] it for some | 8 |
|
| 3 | [vb base] been [v-ing] it for some | 6 |
|
| 4 | [verb] been doing it for some | 5 |
|
