| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [modal v] have been [verb] for | 286 |
|
| 2 | [modal v] have [verb] for [det] | 93 |
|
| 3 | [modal v] have been [verb] [det] | 83 |
|
| 4 | have been [verb] for [det] | 36 |
|
| 5 | [modal v] have been for [det] | 5 |
|
