| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [prep] a [noun] [noun] | 80004 |
|
| 2 | [Wh adv] a [noun] [noun] | 493 |
|
| 3 | [prep] [Wh adv] [noun] [noun] | 386 |
|
| 4 | [prep] [Wh adv] a [noun] | 283 |
|
