| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | have be [vb pp] chairman | 27 |
|
| 2 | have [be] [vb pp] chairman | 27 |
|
| 3 | have been [vb pp] chairman | 27 |
|
| 4 | have [been] [vb pp] chairman | 27 |
|
| 5 | has [be] [vb pp] chairman | 22 |
|
| 6 | have [be] appointed chairman | 15 |
|
| 7 | have [be] elected chairman | 7 |
|
