| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [prep] a [noun] | 490659 |
|
| 2 | [prep] a [noun] | 490653 |
|
| 3 | over [art] [noun] | 25369 |
|
| 4 | over a [noun] | 2678 |
|
