| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [pron] had [been] head | 6 |
|
| 2 | had [been] head of | 11 |
|
| 3 | had [been] head of | 11 |
|
| 4 | had [been] head [prep] | 11 |
|
| 5 | had [been] head [prep] | 11 |
|
