| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | have [verb] as chairman | 9 |
|
| 2 | [verb] [vb pp] as chairman | 9 |
|
| 3 | [verb] [to-vb] as chairman | 6 |
|
| 4 | [vb past] [verb] as chairman | 5 |
|
| 5 | [verb] serve as chairman | 5 |
|
