| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [modal v] have been [adj] | 3628 |
|
| 2 | [modal v] have been [prep] | 1264 |
|
| 3 | have been [prep] [adj] | 668 |
|
| 4 | [modal v] have [prep] [adj] | 80 |
|
