| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [prep] a [noun] [Wh det] | 7702 |
|
| 2 | [prep] a [noun pl] [noun] | 1652 |
|
| 3 | [prep] [noun pl] [noun] [Wh det] | 78 |
|
| 4 | a [noun pl] [noun] [Wh det] | 49 |
|
