| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | who have been [verb] for | 180 |
|
| 2 | have been [verb] [noun pl] for | 104 |
|
| 3 | who have been [verb] [noun pl] | 58 |
|
| 4 | who have [verb] [noun pl] for | 21 |
|
