| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | who have been [verb] [pers pn] for | 10 |
|
| 2 | who have been [v-ing] [pers pn] for | 9 |
|
| 3 | who have been [verb] it for | 6 |
|
| 4 | who 've been [verb] [pers pn] for | 5 |
|
