| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | have been [adj] [adj] | 32 |
|
| 2 | have been [adj] [num] | 12 |
|
| 3 | have been [adj] [det] | 11 |
|
| 4 | have been unthinkable [adj] | 5 |
|
