| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [modal v] have been [verb] | 7119 |
|
| 2 | have been [verb] for | 5399 |
|
| 3 | [modal v] have [verb] for | 776 |
|
| 4 | [modal v] have been for | 62 |
|
