| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [modal v] have been [verb] | 7119 |
|
| 2 | [modal v] have [verb] [noun prp] | 914 |
|
| 3 | have been [verb] [noun prp] | 422 |
|
| 4 | [modal v] have been [noun prp] | 182 |
|
