| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [prep] [noun] [prep] | 583602 |
|
| 2 | a [noun] [prep] | 454887 |
|
| 3 | [prep] a [noun] | 430262 |
|
| 4 | [prep] a [prep] | 386 |
|
