| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [prep] [adv] a [noun] [noun sg] | 199 |
|
| 2 | [prep] [Wh adv] [art] [noun] [noun sg] | 161 |
|
| 3 | [prep] [Wh adv] a [noun] [noun] | 51 |
|
