| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [noun prp] have be [vb pp] chairman | 10 |
|
| 2 | [noun prp] [verb] been [vb pp] chairman | 10 |
|
| 3 | [noun prp] has be [vb pp] chairman | 7 |
|
| 4 | [noun prp] [vb -s] be [vb pp] chairman | 7 |
|
| 5 | [noun prp] [verb] be appointed chairman | 6 |
|
