| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | which [modal v] have been [adj] | 141 |
|
| 2 | [indef pn] [modal v] have been [adj] | 31 |
|
| 3 | [indef pn] which [modal v] have been | 16 |
|
| 4 | [indef pn] which [modal v] have [adj] | 6 |
|
