| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [noun prp] have been [verb] head | 8 |
|
| 2 | [noun prp] have been [vb pp] head | 8 |
|
| 3 | [noun prp] have been appoint head | 7 |
|
| 4 | [noun prp] have been appointed head | 7 |
|
| 5 | [noun prp] have been head of | 6 |
|
| 6 | [noun prp] have been head [prep] | 6 |
|
| 7 | [noun prp] have been head of | 6 |
|
| 8 | [noun prp] have been head [prep] | 6 |
|
