| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | was [verb] chairman | 85 |
|
| 2 | was [vb pp] chairman | 84 |
|
| 3 | was appoint chairman | 39 |
|
| 4 | was appointed chairman | 39 |
|
| 5 | was elected chairman | 32 |
|
| 6 | was elect chairman | 32 |
|
| 7 | was made chairman | 11 |
|
| 8 | was make chairman | 11 |
|
