| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | who have been [vb pp] [adj] [noun sg] | 17 |
|
| 2 | who had been [vb pp] [adj] [noun sg] | 8 |
|
| 3 | who has been [vb pp] [adj] [noun sg] | 6 |
|
| 4 | who have been appointed [adj] [noun sg] | 6 |
|
