| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | have been [vb pp] [noun] | 1310 |
|
| 2 | have been [vb pp] [noun sg] | 842 |
|
| 3 | have been [verb] chairman | 28 |
|
| 4 | have [be] [vb pp] chairman | 27 |
|
| 5 | have been [vb pp] chairman | 27 |
|
| 6 | have [been] [vb pp] chairman | 27 |
|
| 7 | have be [vb pp] chairman | 27 |
|
| 8 | [verb] been [vb pp] chairman | 27 |
|
