| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [modal v] have been [adj] | 4711 |
|
| 2 | [modal v] have [adj] [noun] | 3851 |
|
| 3 | [modal v] have been [noun] | 660 |
|
| 4 | have been [adj] [noun] | 576 |
|
