| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [verb] been [noun] | 4300 |
|
| 2 | [verb] been [noun sg] | 1963 |
|
| 3 | [verb] [be] chairman | 36 |
|
| 4 | [verb] be chairman | 36 |
|
| 5 | [verb] been chairman | 31 |
|
| 6 | [verb] [been] chairman | 31 |
|
