| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | who have been [v-ing] [prep] | 57 |
|
| 2 | who have been [v-ing] for | 18 |
|
| 3 | who have been [v-ing] in | 9 |
|
| 4 | who have been [v-ing] to | 7 |
|
| 5 | who have been working [prep] | 6 |
|
| 6 | who have been [v-ing] with | 5 |
|
| 7 | who have been [v-ing] on | 5 |
|
