| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [prep] [adv] [prep] a [noun] | 502 |
|
| 2 | [prep] [adv] [prep] a [noun] | 502 |
|
| 3 | [prep] [adv] for [art] [noun] | 235 |
|
| 4 | [prep] [adv] for a [noun] | 84 |
|
