| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [been] [noun] [prep] [noun prp] [noun] | 50 |
|
| 2 | [be] chairman [prep] [noun prp] [noun] | 19 |
|
| 3 | [been] chairman [prep] [noun prp] [noun] | 5 |
|
| 4 | [been] chairman [prep] [noun] [noun] | 5 |
|
