| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [verb] been appoint chairman | 15 |
|
| 2 | have been appoint chairman | 15 |
|
| 3 | has been appoint chairman | 13 |
|
| 4 | [vb -s] been appoint chairman | 13 |
|
| 5 | been appoint chairman [prep] | 14 |
|
| 6 | been appoint chairman of | 14 |
|
| 7 | been appoint chairman of | 14 |
|
| 8 | been appoint chairman [prep] | 14 |
|
