| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [noun pl] at high [noun pl] | 48 |
|
| 2 | [noun pl] at high [noun pl] | 29 |
|
| 3 | [noun pl] at higher [noun pl] | 19 |
|
| 4 | [noun pl] at high levels | 12 |
|
| 5 | [noun pl] at high prices | 5 |
|
| 6 | [noun pl] at high speeds | 5 |
|
