| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | have been secretary | 27 |
|
| 2 | had been secretary | 10 |
|
| 3 | [vb past] been secretary | 10 |
|
| 4 | [vb -s] been secretary | 9 |
|
| 5 | has been secretary | 9 |
|
| 6 | have been secretary | 6 |
|
| 7 | [vb base] been secretary | 6 |
|
