| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [prep] heads of | 154 |
|
| 2 | of heads [prep] | 103 |
|
| 3 | by heads [prep] | 18 |
|
| 4 | with heads [prep] | 18 |
|
| 5 | to heads [prep] | 14 |
|
| 6 | for heads [prep] | 10 |
|
| 7 | [prep] heads with | 8 |
|
| 8 | as heads [prep] | 6 |
|
| 9 | [prep] heads in | 5 |
|
