| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [prep] a [noun] [noun] | 70564 |
|
| 2 | [adv] [prep] a [noun] | 18821 |
|
| 3 | [adv] [prep] [noun] [noun] | 15137 |
|
| 4 | [adv] a [noun] [noun] | 3980 |
|
