| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | have [been] head | 18 |
|
| 2 | [verb] been head | 18 |
|
| 3 | [vb past] [been] head | 11 |
|
| 4 | had [been] head | 11 |
|
| 5 | [vb -s] [been] head | 6 |
|
