| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | down the [num ord] [noun sg] [prep] | 17 |
|
| 2 | down the [num ord] [noun sg] of | 9 |
|
| 3 | down the first [noun sg] [prep] | 7 |
|
| 4 | down the [num ord] flight [prep] | 6 |
|
