| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [modal v] have been [verb] | 7006 |
|
| 2 | [modal v] have [verb] [noun sg] | 1485 |
|
| 3 | [modal v] have been [noun sg] | 289 |
|
| 4 | have been [verb] [noun sg] | 99 |
|
