| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [modal v] have been [det] | 370 |
|
| 2 | [modal v] have been at | 140 |
|
| 3 | have been at [det] | 58 |
|
| 4 | [modal v] have at [det] | 9 |
|
