| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [pron] who have been [verb] for | 9 |
|
| 2 | [indef pn] who have been [verb] for | 9 |
|
| 3 | [pron] who have been [v-ing] for | 6 |
|
| 4 | [pron] who has been [verb] for | 5 |
|
