| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [prep] a [noun] | 490653 |
|
| 2 | [noun prp] [prep] [noun] | 81412 |
|
| 3 | [noun prp] [prep] a | 15457 |
|
| 4 | [noun prp] a [noun] | 3112 |
|
