| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [modal v] have been [adj] | 4803 |
|
| 2 | [Wh pn] have been [adj] | 603 |
|
| 3 | [Wh pn] [modal v] have been | 248 |
|
| 4 | [Wh pn] [modal v] have [adj] | 59 |
|
