| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [modal v] have been a [adj] | 746 |
|
| 2 | which [modal v] have been [adj] | 141 |
|
| 3 | which [modal v] have a [adj] | 66 |
|
| 4 | which have been a [adj] | 36 |
|
| 5 | which [modal v] have been a | 34 |
|
