| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [prep] a [det] [noun] [prep] | 1280 |
|
| 2 | down [prep] a [noun] [prep] | 573 |
|
| 3 | down [prep] [det] [noun] [prep] | 95 |
|
| 4 | down [prep] a [det] [noun] | 33 |
|
| 5 | down a [det] [noun] [prep] | 15 |
|
