| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [be] [adv] [prep] | 32866 |
|
| 2 | [be] chairman [prep] | 293 |
|
| 3 | [adv] chairman [prep] | 141 |
|
| 4 | [be] [adv] chairman | 93 |
|
