| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | a [noun] [prep] [noun sg] | 104191 |
|
| 2 | [art] heads [prep] [noun sg] | 150 |
|
| 3 | a head [prep] [noun sg] | 94 |
|
| 4 | a [noun pl] [prep] [noun sg] | 65 |
|
| 5 | a heads [prep] [noun] | 12 |
|
