| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [prep] a [num] [prep] | 288 |
|
| 2 | [prep] [num] metres [prep] | 149 |
|
| 3 | [prep] a [num] metres | 29 |
|
| 4 | a [num] metres [prep] | 25 |
|
