| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | 've been [v-ing] it for | 28 |
|
| 2 | 've been [verb] it for | 28 |
|
| 3 | 've been do it for | 16 |
|
| 4 | 've been doing it for | 16 |
|
