| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [noun] have been [v-ing] it for | 15 |
|
| 2 | [noun pl] have been [v-ing] it for | 7 |
|
| 3 | [noun] have been doing it for | 7 |
|
| 4 | [noun] have been [v-ing] it for | 6 |
|
| 5 | [noun sg] have been [v-ing] it for | 6 |
|
