| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | who has [vb pp] [art] post | 6 |
|
| 2 | who has [verb] the post | 6 |
|
| 3 | who has hold [art] post | 5 |
|
| 4 | who has held [art] post | 5 |
|
