| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | have been [v-ing] it for | 85 |
|
| 2 | have been [v-ing] on it | 23 |
|
| 3 | been [v-ing] on it for | 6 |
|
| 4 | have been on it for | 5 |
|
