| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | at a [noun] | 16739 |
|
| 2 | at a [noun sg] | 15818 |
|
| 3 | at [art] height | 429 |
|
| 4 | [prep] a height | 171 |
|
| 5 | at a height | 68 |
|
