| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [pron] have been chairman of the | 11 |
|
| 2 | [pron] have been chairman of [art] | 11 |
|
| 3 | [pron] have been chairman of [art] | 11 |
|
| 4 | [pron] have been chairman of the | 11 |
|
