| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | have been [v-ing] it for | 85 |
|
| 2 | have been [v-ing] it for | 85 |
|
| 3 | have been doing it for | 40 |
|
| 4 | 've been [v-ing] it for | 28 |
|
| 5 | had been [v-ing] it for | 14 |
|
| 6 | 's been [v-ing] it for | 14 |
|
| 7 | have been [v-ing] it for | 11 |
|
| 8 | has been [v-ing] it for | 8 |
|
| 9 | have been planning it for | 7 |
|
| 10 | 'd been [v-ing] it for | 7 |
|
| 11 | have been using it for | 5 |
|
