| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | have been [noun] | 4297 |
|
| 2 | have been [noun sg] | 1962 |
|
| 3 | have [be] chairman | 31 |
|
| 4 | [verb] been chairman | 31 |
|
| 5 | have been chairman | 31 |
|
| 6 | have be chairman | 31 |
|
| 7 | have [been] chairman | 31 |
|
