| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | is [adv] [noun] [prep] | 1028 |
|
| 2 | be [adv] chairman [prep] | 80 |
|
| 3 | [be] [adv] chairman [prep] | 80 |
|
| 4 | [is] [adv] chairman [prep] | 50 |
|
| 5 | is [adv] chairman [prep] | 49 |
|
