| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [Wh pn] had been secretary [prep] | 5 |
|
| 2 | who [verb] been secretary [prep] | 5 |
|
| 3 | [Wh pn] [verb] been secretary [prep] | 5 |
|
| 4 | [Wh pn] [vb past] been secretary [prep] | 5 |
|
| 5 | [Wh pn] have been secretary [prep] | 5 |
|
