| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [verb] they [prep] the head | 15 |
|
| 2 | [v-ing] they [prep] the head | 7 |
|
| 3 | they [prep] the head [prep] | 5 |
|
| 4 | they [prep] the head [prep] | 5 |
|
